Questões do ENEM 2010

Questões aplicadas na prova de 2010, cada uma em página própria com enunciado, alternativas e gabarito.

Resultados

4.416 questões encontradas. Mostrando a página 81 de 221.

  • 7B6ECBA8-B2

    Física

    Física Térmica - Termologia
    FUVEST · 2010MédioEntre para guardar nos favoritos
    Um laboratório químico descartou um frasco de éter, sem perceber que, em seu interior, havia ainda um resíduo de 7,4 g de éter, parte no estado líquido, parte no estado gasoso. Esse frasco, de 0,8 L de volume, fechado hermeticamente, foi deixado sob o sol e, após um certo tempo, atingiu a temperatura de equilíbrio T = 37 ºC, valor acima da temperatura de ebulição do éter. Se todo o éter no estado líquido tivesse evaporado, a pressão dentro do frasco seria



    NOTE E ADOTE

    No interior do frasco descartado havia apenas éter. Massa molar do éter = 74 g
    K = º C + 273
    R (constante universal dos gases) = 0,08 atm.L / (mol.K)
    Escolha uma alternativa para a questão 7b6ecba8-b2
  • 7B574214-B2

    Física

    Indução e Transformadores Elétricos
    FUVEST · 2010MédioEntre para guardar nos favoritos
    Um gavião avista,abaixo dele, um melro e,para apanhá-lo, passa avoar verticalmente,conseguindo agarrá-lo.Imediatamente antes do instante em que o gavião,de massa MG = 300 g,agarra o melro, de massa MM = 100 g, as velocidades do gavião e do melro são,respectivamente, VG = 80 km/h na direção vertical, para baixo, e VM = 24 km/h na direção horizontal, para a direita, como ilustra a figura acima. Imediatamente após a caça, o vetor velocidade u do gavião, que voa segurando o melro, forma um ângulo α com o plano horizontal tal que tg α é aproximadamente igual a

    Imagem da questão de Física, da prova de 2010
    Escolha uma alternativa para a questão 7b574214-b2
  • 7B5424D0-B2

    Física

    Cinemática
    FUVEST · 2010MédioEntre para guardar nos favoritos
     Um esqueitista treina em uma pista cujo perfil está representado na figura abaixo. O trecho horizontal AB está a uma altura h = 2,4 m em relação ao trecho, também horizontal, CD. O esqueitista percorre a pista no sentido de A para D. No trecho AB, ele está com velocidade constante, de módulo v = 4 m/s; em seguida, desce a rampa BC, percorre o trecho CD, o mais baixo da pista, e sobe a outra rampa até atingir uma altura máxima H, em relação a CD. A velocidade do esqueitista no trecho CD e a altura máxima H são, respectivamente, iguais a 

    Imagem da questão de Física, da prova de 2010



    NOTE E ADOTE
    g = 10 m/s2
    Desconsiderar:
    - Efeitos dissipativos.
    - Movimentos do esqueitista em relação ao esqueite.
    Escolha uma alternativa para a questão 7b5424d0-b2
  • 7B4FA65A-B2

    Física

    Dinâmica
    FUVEST · 2010FácilEntre para guardar nos favoritos
    Usando um sistema formado por uma corda e uma roldana, um homem levanta uma caixa de massa m,aplicando na corda uma força F que forma um ângulo θ com a direção vertical, como mostra a figura. O trabalho realizado pela resultante das forças que atuam na caixa peso e força da corda , quando o centro de massada caixa é elevado, com velocidade constante v, desde a altura ya até a altura yb, é:


    Imagem da questão de Física, da prova de 2010
    Escolha uma alternativa para a questão 7b4fa65a-b2
  • 7B4A1020-B2

    Física

    Cinemática
    FUVEST · 2010FácilEntre para guardar nos favoritos
    Uma menina, segurando uma bola de tênis, corre com velocidade constante, de módulo igual a 10,8 km/h, em trajetória retilínea, numa quadra plana e horizontal. Num certo instante, a menina, com o braço esticado horizontalmente ao lado do corpo, sem alterar o seu estado de movimento, solta a bola, que leva 0,5 s para atingir o solo. As distâncias sm e sb percorridas, respectivamente, pela menina e pela bola, na direção horizontal, entre o instante em que a menina soltou a bola (t = 0 s) e o instante t = 0,5 s, valem:


    NOTE E ADOTE Desconsiderar efeitos dissipativos.
    Escolha uma alternativa para a questão 7b4a1020-b2
  • 7B463639-B2

    Química

    Transformações Químicas
    FUVEST · 2010MédioEntre para guardar nos favoritos
    A seguinte declaração foi divulgada no jornal eletrônico FOLHA.com – mundo em 29/05/2010: “A vontade do Irã de enriquecer urânio a 20% em seu território nunca esteve sobre a mesa de negociações do acordo assinado por Brasil e Turquia com Teerã, afirmou nesta sexta-feira o ministro das Relações Exteriores brasileiro Celso Amorim”. Enriquecer urânio a 20%, como mencionado nessa notícia, significa


    NOTE E ADOTE
    As porcentagens aproximadas dos isótopos 238U e 235U existentes em uma amostra de urânio natural são, respectivamente, 99,3% e 0,7%.
    Escolha uma alternativa para a questão 7b463639-b2
  • 5219053F-B1

    Inglês

    Interpretação de texto | Reading comprehension
    UEMG · 2010MédioEntre para guardar nos favoritos

    The Impact of the Gulf Oil Spill on the U.S.


    Imagem da questão de Inglês, da prova de 2010

    www.freewebs.com/mathewstolte/oilspills.html. 21/06/2010


          Although the oil has been pouring into the Gulf of Mexico for months, the consequences of this larger than ever environmental disaster have yet to be fully examined and determined. Scientists and researchers have started to put together some of the puzzle pieces, and the impact of the Deepwater Horizon oil spill are likely to be big.

          North Americans will have fewer choices on the store shelves. The Gulf of Mexico is a huge shipping lane through which products of all shapes and sizes come into North America. From toys to clothes to cars to building materials, you may find that the selection at your local store begins to shrink as shipping lanes slow down as a result of the oil spill.

          Whether you’re taking a vacation or hoping to walk along the shore, you may be disappointed. Many beaches in the U.S.A. are now closing as clean-up efforts on removing oil slick from the sands. But the impact may be felt for quite some time as oil continues to wash up on shore.

          Many wildlife animals will be impacted by the oil spill. Oiled birds, otter, bald eagles, pelicans, turtles, fish, and dolphins are already washing up on shore, making the beach sights less than palatable for someone looking to see some pristine nature.

          Over time, molluscs like clams incorporate calcium into their shells throughout their lifetimes. But the heavy metals like nickel and vanadium from the petroleum industry and the resulting oil spill may be incorporated into the shells of these creatures. As other wildlife consumes these clams, they incorporate the toxins into their bodies, and on it goes as the heavy metals bio-accumulate in the food chain. This could have serious, long-term consequences for human health. 

          Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers. The Gulf of Mexico has been home-working on some of these projects, but with the massive oil spilling into that environment, the oysters could soon become tainted with chemicals, making them unsafe to eat.

          The Gulf of Mexico is also a nursery for species like shrimp that grow up in the estuaries. The oil that is taking over this natural environment will choke out the plants that make the estuaries so nutritious to shrimp. 

          According to the National Weather Service, a hurricane like Hurricane Katrina could have a devastating impact on New Orleans. Researchers expect 15 named storms to develop into 8 hurricanes, and with a well-placed hurricane, the oil could be pushed onto New Orleans shores, further impacting the already devastated region.

    Adapted from http://www.thenewecologist.com (21/06/2010)

    According to the text, you can say that the oil spill will cause an impact on
    Escolha uma alternativa para a questão 5219053f-b1
  • 52145088-B1

    Inglês

    Pronomes | Pronouns
    UEMG · 2010MédioEntre para guardar nos favoritos

    The Impact of the Gulf Oil Spill on the U.S.


    Imagem da questão de Inglês, da prova de 2010

    www.freewebs.com/mathewstolte/oilspills.html. 21/06/2010


          Although the oil has been pouring into the Gulf of Mexico for months, the consequences of this larger than ever environmental disaster have yet to be fully examined and determined. Scientists and researchers have started to put together some of the puzzle pieces, and the impact of the Deepwater Horizon oil spill are likely to be big.

          North Americans will have fewer choices on the store shelves. The Gulf of Mexico is a huge shipping lane through which products of all shapes and sizes come into North America. From toys to clothes to cars to building materials, you may find that the selection at your local store begins to shrink as shipping lanes slow down as a result of the oil spill.

          Whether you’re taking a vacation or hoping to walk along the shore, you may be disappointed. Many beaches in the U.S.A. are now closing as clean-up efforts on removing oil slick from the sands. But the impact may be felt for quite some time as oil continues to wash up on shore.

          Many wildlife animals will be impacted by the oil spill. Oiled birds, otter, bald eagles, pelicans, turtles, fish, and dolphins are already washing up on shore, making the beach sights less than palatable for someone looking to see some pristine nature.

          Over time, molluscs like clams incorporate calcium into their shells throughout their lifetimes. But the heavy metals like nickel and vanadium from the petroleum industry and the resulting oil spill may be incorporated into the shells of these creatures. As other wildlife consumes these clams, they incorporate the toxins into their bodies, and on it goes as the heavy metals bio-accumulate in the food chain. This could have serious, long-term consequences for human health. 

          Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers. The Gulf of Mexico has been home-working on some of these projects, but with the massive oil spilling into that environment, the oysters could soon become tainted with chemicals, making them unsafe to eat.

          The Gulf of Mexico is also a nursery for species like shrimp that grow up in the estuaries. The oil that is taking over this natural environment will choke out the plants that make the estuaries so nutritious to shrimp. 

          According to the National Weather Service, a hurricane like Hurricane Katrina could have a devastating impact on New Orleans. Researchers expect 15 named storms to develop into 8 hurricanes, and with a well-placed hurricane, the oil could be pushed onto New Orleans shores, further impacting the already devastated region.

    Adapted from http://www.thenewecologist.com (21/06/2010)

    In the sentence “Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers”, environmentalists and the populations of oysters can be respectively substituted by the pronouns
    Escolha uma alternativa para a questão 52145088-b1
  • 52100279-B1

    Inglês

    Voz Ativa e Passiva | Passive and Active Voice
    UEMG · 2010FácilEntre para guardar nos favoritos

    The Impact of the Gulf Oil Spill on the U.S.


    Imagem da questão de Inglês, da prova de 2010

    www.freewebs.com/mathewstolte/oilspills.html. 21/06/2010


          Although the oil has been pouring into the Gulf of Mexico for months, the consequences of this larger than ever environmental disaster have yet to be fully examined and determined. Scientists and researchers have started to put together some of the puzzle pieces, and the impact of the Deepwater Horizon oil spill are likely to be big.

          North Americans will have fewer choices on the store shelves. The Gulf of Mexico is a huge shipping lane through which products of all shapes and sizes come into North America. From toys to clothes to cars to building materials, you may find that the selection at your local store begins to shrink as shipping lanes slow down as a result of the oil spill.

          Whether you’re taking a vacation or hoping to walk along the shore, you may be disappointed. Many beaches in the U.S.A. are now closing as clean-up efforts on removing oil slick from the sands. But the impact may be felt for quite some time as oil continues to wash up on shore.

          Many wildlife animals will be impacted by the oil spill. Oiled birds, otter, bald eagles, pelicans, turtles, fish, and dolphins are already washing up on shore, making the beach sights less than palatable for someone looking to see some pristine nature.

          Over time, molluscs like clams incorporate calcium into their shells throughout their lifetimes. But the heavy metals like nickel and vanadium from the petroleum industry and the resulting oil spill may be incorporated into the shells of these creatures. As other wildlife consumes these clams, they incorporate the toxins into their bodies, and on it goes as the heavy metals bio-accumulate in the food chain. This could have serious, long-term consequences for human health. 

          Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers. The Gulf of Mexico has been home-working on some of these projects, but with the massive oil spilling into that environment, the oysters could soon become tainted with chemicals, making them unsafe to eat.

          The Gulf of Mexico is also a nursery for species like shrimp that grow up in the estuaries. The oil that is taking over this natural environment will choke out the plants that make the estuaries so nutritious to shrimp. 

          According to the National Weather Service, a hurricane like Hurricane Katrina could have a devastating impact on New Orleans. Researchers expect 15 named storms to develop into 8 hurricanes, and with a well-placed hurricane, the oil could be pushed onto New Orleans shores, further impacting the already devastated region.

    Adapted from http://www.thenewecologist.com (21/06/2010)

    Which of the alternatives below is the CORRECT correspondent active voice form for the passive voice of the sentence “Many wildlife animals will be impacted by the oil spill”?
    Escolha uma alternativa para a questão 52100279-b1
  • 520BCC0F-B1

    Inglês

    Interpretação de texto | Reading comprehension
    UEMG · 2010MédioEntre para guardar nos favoritos

    The Impact of the Gulf Oil Spill on the U.S.


    Imagem da questão de Inglês, da prova de 2010

    www.freewebs.com/mathewstolte/oilspills.html. 21/06/2010


          Although the oil has been pouring into the Gulf of Mexico for months, the consequences of this larger than ever environmental disaster have yet to be fully examined and determined. Scientists and researchers have started to put together some of the puzzle pieces, and the impact of the Deepwater Horizon oil spill are likely to be big.

          North Americans will have fewer choices on the store shelves. The Gulf of Mexico is a huge shipping lane through which products of all shapes and sizes come into North America. From toys to clothes to cars to building materials, you may find that the selection at your local store begins to shrink as shipping lanes slow down as a result of the oil spill.

          Whether you’re taking a vacation or hoping to walk along the shore, you may be disappointed. Many beaches in the U.S.A. are now closing as clean-up efforts on removing oil slick from the sands. But the impact may be felt for quite some time as oil continues to wash up on shore.

          Many wildlife animals will be impacted by the oil spill. Oiled birds, otter, bald eagles, pelicans, turtles, fish, and dolphins are already washing up on shore, making the beach sights less than palatable for someone looking to see some pristine nature.

          Over time, molluscs like clams incorporate calcium into their shells throughout their lifetimes. But the heavy metals like nickel and vanadium from the petroleum industry and the resulting oil spill may be incorporated into the shells of these creatures. As other wildlife consumes these clams, they incorporate the toxins into their bodies, and on it goes as the heavy metals bio-accumulate in the food chain. This could have serious, long-term consequences for human health. 

          Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers. The Gulf of Mexico has been home-working on some of these projects, but with the massive oil spilling into that environment, the oysters could soon become tainted with chemicals, making them unsafe to eat.

          The Gulf of Mexico is also a nursery for species like shrimp that grow up in the estuaries. The oil that is taking over this natural environment will choke out the plants that make the estuaries so nutritious to shrimp. 

          According to the National Weather Service, a hurricane like Hurricane Katrina could have a devastating impact on New Orleans. Researchers expect 15 named storms to develop into 8 hurricanes, and with a well-placed hurricane, the oil could be pushed onto New Orleans shores, further impacting the already devastated region.

    Adapted from http://www.thenewecologist.com (21/06/2010)

    In the sentence, “…the selection at your local store begins to shrink”, the verb to shrink means
    Escolha uma alternativa para a questão 520bcc0f-b1
  • 5207E652-B1

    Inglês

    Interpretação de texto | Reading comprehension
    UEMG · 2010MédioEntre para guardar nos favoritos

    The Impact of the Gulf Oil Spill on the U.S.


    Imagem da questão de Inglês, da prova de 2010

    www.freewebs.com/mathewstolte/oilspills.html. 21/06/2010


          Although the oil has been pouring into the Gulf of Mexico for months, the consequences of this larger than ever environmental disaster have yet to be fully examined and determined. Scientists and researchers have started to put together some of the puzzle pieces, and the impact of the Deepwater Horizon oil spill are likely to be big.

          North Americans will have fewer choices on the store shelves. The Gulf of Mexico is a huge shipping lane through which products of all shapes and sizes come into North America. From toys to clothes to cars to building materials, you may find that the selection at your local store begins to shrink as shipping lanes slow down as a result of the oil spill.

          Whether you’re taking a vacation or hoping to walk along the shore, you may be disappointed. Many beaches in the U.S.A. are now closing as clean-up efforts on removing oil slick from the sands. But the impact may be felt for quite some time as oil continues to wash up on shore.

          Many wildlife animals will be impacted by the oil spill. Oiled birds, otter, bald eagles, pelicans, turtles, fish, and dolphins are already washing up on shore, making the beach sights less than palatable for someone looking to see some pristine nature.

          Over time, molluscs like clams incorporate calcium into their shells throughout their lifetimes. But the heavy metals like nickel and vanadium from the petroleum industry and the resulting oil spill may be incorporated into the shells of these creatures. As other wildlife consumes these clams, they incorporate the toxins into their bodies, and on it goes as the heavy metals bio-accumulate in the food chain. This could have serious, long-term consequences for human health. 

          Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers. The Gulf of Mexico has been home-working on some of these projects, but with the massive oil spilling into that environment, the oysters could soon become tainted with chemicals, making them unsafe to eat.

          The Gulf of Mexico is also a nursery for species like shrimp that grow up in the estuaries. The oil that is taking over this natural environment will choke out the plants that make the estuaries so nutritious to shrimp. 

          According to the National Weather Service, a hurricane like Hurricane Katrina could have a devastating impact on New Orleans. Researchers expect 15 named storms to develop into 8 hurricanes, and with a well-placed hurricane, the oil could be pushed onto New Orleans shores, further impacting the already devastated region.

    Adapted from http://www.thenewecologist.com (21/06/2010)

    In the first paragraph, what is Deepwater Horizon ?
    Escolha uma alternativa para a questão 5207e652-b1
  • 52032962-B1

    Inglês

    Advérbios e conjunções | Adverbs and conjunctions
    UEMG · 2010FácilEntre para guardar nos favoritos

    The Impact of the Gulf Oil Spill on the U.S.


    Imagem da questão de Inglês, da prova de 2010

    www.freewebs.com/mathewstolte/oilspills.html. 21/06/2010


          Although the oil has been pouring into the Gulf of Mexico for months, the consequences of this larger than ever environmental disaster have yet to be fully examined and determined. Scientists and researchers have started to put together some of the puzzle pieces, and the impact of the Deepwater Horizon oil spill are likely to be big.

          North Americans will have fewer choices on the store shelves. The Gulf of Mexico is a huge shipping lane through which products of all shapes and sizes come into North America. From toys to clothes to cars to building materials, you may find that the selection at your local store begins to shrink as shipping lanes slow down as a result of the oil spill.

          Whether you’re taking a vacation or hoping to walk along the shore, you may be disappointed. Many beaches in the U.S.A. are now closing as clean-up efforts on removing oil slick from the sands. But the impact may be felt for quite some time as oil continues to wash up on shore.

          Many wildlife animals will be impacted by the oil spill. Oiled birds, otter, bald eagles, pelicans, turtles, fish, and dolphins are already washing up on shore, making the beach sights less than palatable for someone looking to see some pristine nature.

          Over time, molluscs like clams incorporate calcium into their shells throughout their lifetimes. But the heavy metals like nickel and vanadium from the petroleum industry and the resulting oil spill may be incorporated into the shells of these creatures. As other wildlife consumes these clams, they incorporate the toxins into their bodies, and on it goes as the heavy metals bio-accumulate in the food chain. This could have serious, long-term consequences for human health. 

          Environmentalists have been working on restoring the populations of oysters by reseeding certain reefs to boost their numbers. The Gulf of Mexico has been home-working on some of these projects, but with the massive oil spilling into that environment, the oysters could soon become tainted with chemicals, making them unsafe to eat.

          The Gulf of Mexico is also a nursery for species like shrimp that grow up in the estuaries. The oil that is taking over this natural environment will choke out the plants that make the estuaries so nutritious to shrimp. 

          According to the National Weather Service, a hurricane like Hurricane Katrina could have a devastating impact on New Orleans. Researchers expect 15 named storms to develop into 8 hurricanes, and with a well-placed hurricane, the oil could be pushed onto New Orleans shores, further impacting the already devastated region.

    Adapted from http://www.thenewecologist.com (21/06/2010)

    The conjunction “although”, in the first paragraph, can be replaced by all the alternatives EXCEPT:
    Escolha uma alternativa para a questão 52032962-b1
  • 51FEC2DD-B1

    Geografia

    Impactos e soluções nos meios natural e rural
    UEMG · 2010MédioEntre para guardar nos favoritos

    Observe, com atenção, as imagens, a seguir:


    Imagem da questão de Geografia, da prova de 2010


    Com base nas informações contidas nas ilustrações, acima, acerca das últimas enchentes no Nordeste, pode-se afirmar CORRETAMENTE que

    Escolha uma alternativa para a questão 51fec2dd-b1
  • 51FAE847-B1

    Geografia

    Geografia Política
    UEMG · 2010FácilEntre para guardar nos favoritos

    Irã anuncia a construção de mais reatores nucleares

           Mesmo sob sanções impostas pelo Conselho de Segurança da Organização das Nações Unidas (ONU), o Irã anunciou nesta quarta-feira (16) que irá construir mais uma série de reatores nucleares (...). Segundo as fontes iranianas os “poderosos reatores” serão utilizados em usinas destinadas à produção de medicamentos.

          O anúncio foi feito uma semana depois de o Conselho de Segurança da ONU impor uma série de sanções ao Irã. No entanto, o diretor-geral da organização de energia nuclear iraniana afirmou que o país “dispõe de mais de 50 anos de experiência em ciência e tecnologia nuclear” que deve ser aproveitada.

    Fonte: Agência Brasil, 16/6/2010 – Texto adaptado 

    Com relação ao texto, acima, assinale a alternativa que traz a informação CORRETA sobre a problemática atual do Irã :
    Escolha uma alternativa para a questão 51fae847-b1
  • 51F700E9-B1

    Geografia

    Globalização
    UEMG · 2010FácilEntre para guardar nos favoritos

    Países desenvolvidos do G20 cortarão pela metade déficits até 2013.

          “Os países desenvolvidos do G20 se comprometeram, a cortar em pelo menos 50% seus déficits públicos até 2013, segundo a declaração final da cúpula deste grupo que reúne potências industrializadas e emergentes, celebrada em Toronto (Canadá).

          Líderes dos países do G20 alertaram que “falhar em implantar a consolidação onde for necessário minaria a confiança e obstruiria o crescimento”. “Refletindo este equilíbrio, as economias avançadas se comprometeram com planos orçamentários que diminuirão os déficits e estabilizarão ou reduzirão a dívida pública com base no PIB até 2016”, diz o texto do documento(...)”.

    UOL Notícias – Folha de São Paulo – 27/06/2010

    Com base no texto e considerando os principais aspectos da globalização atual, só é CORRETO afirmar que
    Escolha uma alternativa para a questão 51f700e9-b1
  • 51F2EB94-B1

    Conhecimentos Gerais

    Meio Ambiente, Sustentabilidade e Aquecimento Global
    UEMG · 2010MédioEntre para guardar nos favoritos

    AUMENTA A COLETA SELETIVA

    A entidade que reúne as empresas de limpeza pública do país divulgou na semana passada um relatório segundo o qual a maioria dos municípios brasileiros (55,9%) já conta com coleta seletiva de lixo(...).


    Imagem da questão de Conhecimentos Gerais, da prova de 2010

    Revista Época, Edição nº 625, de 7/5/2010.

    Através da análise dos gráficos apresentados, acima, pode-se concluir CORRETAMENTE que
    Escolha uma alternativa para a questão 51f2eb94-b1
  • 51EDF62A-B1

    Geografia

    Meio Ambiente na Geografia
    UEMG · 2010FácilEntre para guardar nos favoritos

    FRIO - INVERNO COMEÇA HOJE SOB INFLUÊNCIA DO LA NIÑA


          “O inverno começa às 8h28min de hoje, com predomínio de tempo seco em boa parte do país como as regiões Sudeste e Centro Oeste, nos estados de Rondônia, Acre, sul do Pará e Amazonas e Tocantins.

          Segundo o Instituto Nacional de Meteorologia, a previsão é que durante a estação consolide-se a influência do fenômeno La Niña. Esse fenômeno, segundo o INMET, pode provocar temperaturas mais baixas em relação aos anos anteriores.

    (Jornal o Tempo – BH segunda feira 21/06/2010)

    A descrição/ explicação do fenômeno citado está suscintamente e CORRETAMENTE apontada na alternativa:
    Escolha uma alternativa para a questão 51edf62a-b1
  • 51E9A591-B1

    Geografia

    Cartografia
    UEMG · 2010FácilEntre para guardar nos favoritos

    “O continente africano tem grande extensão latitudinal/longitudinal, cortado por três dos grandes paralelos terrestres: Equador, Trópico de Câncer e Trópico de Capricórnio, além do Meridiano de Greenwich. Em seu território há cinco diferentes fusos horários. Sua área estende-se de 37˚N até 34˚S e 51˚E até 18˚W. O continente é composto de 53 países reconhecidos internacionalmente, sendo que a África do Sul é um desses países, e tem como capital a cidade de Pretória e várias outras cidades importantes, como Port Elizabeth”.

    (HTTP://pt.wikipedia.org/wiki em 25/06/2010)


    Imagem da questão de Geografia, da prova de 2010

    Com base no texto e considerando, especialmente, o mapa da África do Sul, assinale a alternativa que contém as coordenadas geográficas aproximadas das duas cidades citadas no texto, acima.
    Escolha uma alternativa para a questão 51e9a591-b1
  • 51E4449D-B1

    Biologia

    Principais doenças endêmicas no Brasil
    UEMG · 2010Muito fácilEntre para guardar nos favoritos

    Recentemente assistimos estarrecidos às imagens da destruição causada pelas chuvas e as enchentes no nordeste do Brasil, especialmente nos estados de Alagoas e Pernambuco. Após esse tipo de catástrofe é comum a solidariedade humana ajudar as populações necessitadas com doações de roupas, medicamentos, água e comida. As autoridades tomam medidas emergenciais de socorro e se preocupam muito com a prevenção de várias doenças que podem aumentar a sua incidência.

    Nas alternativas abaixo, assinale aquela em que a doença nomeada NÃO tem relação com o fenômeno descrito e suas consequências.

    Escolha uma alternativa para a questão 51e4449d-b1
  • 51DF668A-B1

    Biologia

    Identidade dos seres vivos
    UEMG · 2010Muito fácilEntre para guardar nos favoritos

    A formação de coágulos é um processo natural que impede a ocorrência de hemorragias, entretanto a coagulação no interior dos vasos obstrui a circulação sanguínea. O coágulo se forma devido à transformação de uma proteína denominada fibrinogênio em outra proteína em forma de uma rede de malhas finíssimas denominada fibrina, que estanca a hemorragia. Veja, no esquema abaixo, a sequência de reações simplificadas que levam à formação da fibrina e à consequente coagulação do sangue:


    Imagem da questão de Biologia, da prova de 2010


    Dentre os diversos fatores que podem provocar crises hemorrágicas, SÓ NÃO se inclui

    Escolha uma alternativa para a questão 51df668a-b1