Questões do ENEM: Universidade do Estado de Minas Gerais (UEMG)

Use os filtros para chegar às questões que interessam. Cada resultado abre em uma página própria com enunciado, alternativas e gabarito.

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716 questões encontradas. Mostrando a página 34 de 36.

  • 474D8380-0E

    Física

    Magnetismo
    UEMG · 2011MédioEntre para guardar nos favoritos
    No eletromagnetismo, é fascinante como o gerador elétrico e o motor elétrico são, fundamentalmente, o mesmo aparelho.

    O princípio de funcionamento desses dois aparelhos elétricos consiste
    Escolha uma alternativa para a questão 474d8380-0e
  • 46030D5D-0E

    Física

    Eletricidade
    UEMG · 2011MédioEntre para guardar nos favoritos
    Reginaldo queria aprender sobre associação de lâmpadas em série e em paralelo. Para isso, usou duas boquilhas de porcelana para colocar as lâmpadas. Em cada lâmpada, lê-se: 60W e 127V.

    Imagem 008.jpg

    Marque, a seguir, a alternativa que completa CORRETAMENTE o enunciado:

    Ao ligar as lâmpadas da maneira mostrada na fgura acima, numa tomada de 127 V, Reginaldo observou que
    Escolha uma alternativa para a questão 46030d5d-0e
  • 44B13A01-0E

    Física

    Cinemática
    UEMG · 2011MédioEntre para guardar nos favoritos
    Numa sala de aula, um professor decidiu mostrar aos seus alunos um pouco do trabalho realizado por Galileu Galilei. Para estudar o movimento de queda de um corpo, ele, como Galileu, usou um plano inclinado, onde a aceleração de queda é menor que a da gravidade. Além disso, ele reduziu os atritos entre a bolinha e o plano inclinado, de tal maneira que estes atritos pudessem ser desprezados.

    Na situação ilustrada, abaixo, a bolinha era abandonada no alto do plano, no instante t = 0. Após um tempo T, ela percorreu uma distância d.

    Imagem 007.jpg

    Galileu tinha observado que, como o movimento não era uniforme, ou seja, como a velocidade não era constante, quando o tempo do movimento era duas vezes maior, ou seja, 2T, a distância percorrida não era duas vezes maior. Ele fez várias medidas, usando o próprio pulso como relógio, para encontrar a relação entre a distância percorrida e o tempo, num movimento uniformemente acelerado.

    O professor, juntamente com seus alunos, concluiu que, nas condições descritas neste experimento, no instante 2T,
    Escolha uma alternativa para a questão 44b13a01-0e
  • 43631841-0E

    Física

    Acústica
    UEMG · 2011MédioEntre para guardar nos favoritos
    Um raio de luz verde cruza o espaço. O laser verde tem um alcance de vários quilômetros. Três alunos, vendo esse raio de luz, fzeram as seguintes afrmações:

    Toninho: A velocidade da luz é muito grande, logo, o comprimento de onda da luz verde é muito grande.

    Ubirajara: A frequência de onda da luz verde é maior que a da onda sonora da minha própria voz.

    Felipe: A luz não sofre difração. Um exemplo está diante de mim, pois a luz propaga-se em linha reta.

    Fizeram afrmações CORRETAS
    Escolha uma alternativa para a questão 43631841-0e
  • 41E73377-0E

    Português

    Interpretação de Textos
    UEMG · 2011MédioEntre para guardar nos favoritos
    Lisbela e o Prisioneiro é uma obra que, por ser escrita para o teatro e retratar personagens populares típicos da Região Nordeste, apresenta um aproveitamento literário recorrente dos modos de falar, muitas vezes diferindo do que prescreve a norma culta.

    Entre os trechos transcritos a seguir, isso só NÃO se observa em:
    Escolha uma alternativa para a questão 41e73377-0e
  • 4062CC1A-0E

    Português

    Funções da Linguagem: emotiva, apelativa, referencial, metalinguística, fática e poética.
    UEMG · 2011MédioEntre para guardar nos favoritos

    Considere o seguinte trecho da peça Lisbela e o Prisioneiro:


    Imagem da questão de Português, da prova de 2011


    Ainda em relação ao trecho da peça, transcrito na questão anterior, também ocorre metalinguagem, pois

    Escolha uma alternativa para a questão 4062cc1a-0e
  • 3EEEA568-0E

    Português

    Interpretação de Textos
    UEMG · 2011MédioEntre para guardar nos favoritos
    Considere o seguinte trecho da peça Lisbela e o Prisioneiro:

    Imagem 006.jpg

    o trecho transcrito acima, a intertextualidade se dá na forma de
    Escolha uma alternativa para a questão 3eeea568-0e
  • 3D862DB7-0E

    Português

    Interpretação de Textos
    UEMG · 2011FácilEntre para guardar nos favoritos
    Quanto à organização do texto teatral ou dramático, ao seu desenvolvimento e ao tipo de público a que se dirige, verifca-se que a obra Lisbela e o Prisioneiro
    Escolha uma alternativa para a questão 3d862db7-0e
  • 3C223A6E-0E

    Português

    Interpretação de Textos
    UEMG · 2011MédioEntre para guardar nos favoritos
    “O regionalismo de Lisbela e o Prisioneiro, fundado no aproveitamento de incidentes testemunhados por amigos, por familiares e por Osman Lins bem como apoiado na transposição de ditados, expressões populares e dísticos encontrados em para-choques de caminhões, é transfgurado sob a pena de seu autor.” (Sandra Nitrini, S.Paulo, junho de 2003.)

    Assinale, abaixo, a alternativa cujo trecho citado NÃO confrma a análise de Sandra Nitrini:
    Escolha uma alternativa para a questão 3c223a6e-0e
  • 3AB16A74-0E

    Português

    Coesão e coerência
    UEMG · 2011DifícilEntre para guardar nos favoritos
    Lisbela e o Prisioneiro foi encenada em 1961 e publicada, em livro, em 1964. Nos trechos da peça, transcritos abaixo, apenas dois trazem referências comprovando, de fato, que a ação se passa antes dos anos 60 do século passado, conforme as respectivas justifcativas.

    LEIA
    com atenção cada trecho e assinale, a seguir, a alternativa que indica CORRETAMENTE essas duas referências.

    I “Ô cabra leso danado! Só pensa em fta de série. Esse daí, se o cinematógrafo deixasse de existir, ele morria.”: um dos personagens, o praça Jaborandi, costuma ir ao cinema para assistir flmes seriados, gênero que a partir dos anos 60 deixou de ser exibido no cinema, migrando, depois, para a TV.

    II “Eu digo cela com cê-cedilha.”: o personagem afrma como se grafava a palavra cela conforme ortografa vigente na primeira metade do século XX.

    III “Um dia, a gente ouviu dizer que o Zepelim ia passar por lá. Foi um alvoroço! (...) Eu tinha uns oito anos. Quando vi, foi aquela beleza atravessando o céu. Me esqueci de tudo e saí andando atrás daquela claridade. (...) E assim tem sido a minha vida, sempre me perdendo atrás do que é bonito.”: Leléu, o personagem central, tem no máximo 30 anos e se lembra de quando, ainda criança, viu o Zepelim, transporte que se extinguiu antes de 1940.

    IV “Não aceito esse pensar. Compaixão de bicho, por quê? Pra que é que são os bichos? Pra gente derrubar com tiros, pegar com armadilhas, sangrar, montar neles, botar carga, sela...O homem é o dono das coisas, Doutor... Ter compaixão de bicho é vício.” : essa fala de Leléu, o protagonista, mostra que os maus tratos dispensados aos animais, atitude hoje considerada politicamente incorreta, era prática normal e aceitável até a metade do século passado.

    V “Pois pode acreditar. Sou vegetariano e tenho muito orgulho disto.”: como afrma o advogado, Dr. Noêmio, um dos antagonistas, até 1960, entre as pessoas instruídas, era moda não comer carne.
    Escolha uma alternativa para a questão 3ab16a74-0e
  • 393F9BF0-0E

    Português

    Interpretação de Textos
    UEMG · 2011FácilEntre para guardar nos favoritos
    LEIA com atenção os textos seguintes:

    Imagem 005.jpg

    Considere os comentários feitos sobre esses textos:

    I Todos os textos apresentam o mesmo tema: lavar roupa. Apesar disso, pertencem a gêneros diferentes.

    II O texto I apresenta características da injunção, uma vez que dá conselhos aos pais sobre como proceder em determinadas situações.

    III A expressão “roupa suja se lava em casa”, do texto III, aparece entre aspas, pois, além de ser uma citação, é, também, um ditado popular.

    IV O conectivo entretanto, sublinhado no texto I, equivale, semanticamente, a portanto.

    V O propósito do texto II é o de provocar efeitos de humor. São pertinentes os comentários apresentados em
    Escolha uma alternativa para a questão 393f9bf0-0e
  • 37E3A499-0E

    Português

    Figuras de Linguagem
    UEMG · 2011MédioEntre para guardar nos favoritos
    O trecho a seguir é do Best-seller "A cabana". Neste trecho, o narrador apresenta uma refexão existencial de Mack, personagem principal da obra.

    Imagem 004.jpg

    Analise os comentários feitos a respeito do texto:

    I A substantivação da conjunção “se” (...para se livrar de todos os “se” que o levavam...) serve como instrumento de personifcação, à medida que concretiza todos os pesadelos que assolam o personagem.

    II Embora não haja nenhuma expressão que identifque a que se refere o termo “naquela viagem”, é possível inferir que essa viagem causou grandes danos emocionais no personagem.

    III A repetição da conjunção “se” (...embora na véspera; se, se, se...) é um recurso que, no texto, enfatiza a angústia do personagem, pois são apresentadas diversas condições para uma possível resolução da sua dor.

    IV As palavras desespero, enterrar, fracasso, assombrava, vítima e assassinato denotam o estado emocional da personagem que tem consciência da resolução dos seus problemas, o que é comprovado pela forma verbal seria.

    São pertinentes os comentários
    Escolha uma alternativa para a questão 37e3a499-0e
  • 3687EB47-0E

    Português

    Interpretação de Textos
    UEMG · 2011FácilEntre para guardar nos favoritos
    Em maio de 2007, o IBOPE fez uma pesquisa sobre o comportamento sexual do brasileiro. A tabela a seguir revela a opinião dos brasileiros sobre o acesso do jovem ao preservativo. Foi feito o seguinte questionamento:

    VOCÊ CONCORDA OU DISCORDA QUE OS JOVENS COM MENOS DE 18 ANOS TENHAM ACESSO AO PRESERVATIVO?

    Imagem 003.jpg

    Sobre a tabela acima, foram feitas algumas afrmações. Julgue-as como (V) verdadeiras ou (F) falsas.

    1 ( ) Quanto maior o nível de escolaridade, maior é a aprovação para o acesso do jovem ao preservativo.

    2 ( ) As mulheres são mais resistentes ao tema que os homens. A maioria desaprova o acesso do jovem ao preservativo.

    3 ( ) Não houve diferença considerável de opinião na variável “idade”, cujos índices permanecem praticamente os mesmos.

    4 ( ) O maior índice de discordância está no grupo que mais precisa de preservativo: pessoas que estudaram até a 4ª série.

    5 ( ) Mais de 80% da população entrevistada concorda que o preservativo seja de livre acesso aos menores de idade.

    A sequência correta de classifcação é:
    Escolha uma alternativa para a questão 3687eb47-0e
  • 353A0DD4-0E

    Português

    Interpretação de Textos
    UEMG · 2011MédioEntre para guardar nos favoritos
    Este é um trecho do conto A terceira margem do rio, de João Guimarães Rosa. Neste trecho, o narrador descreve o momento em que o pai, de posse de sua canoa, se despede da família.

    Imagem 002.jpg

    A variação linguística negritada nesse trecho do conto é responsável por
    Escolha uma alternativa para a questão 353a0dd4-0e
  • 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)

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