Todas as questões do ENEM

Multinacionais na Rússia ainda financiam guerra na Ucrânia

    Das 1 387 empresas ocidentais com subsidiárias russas no início da invasão, em 24 de fevereiro de 2022, apenas 241 (17%) abandonaram inteiramente o país. As que permaneceram, geraram naquele ano 177 bilhões de dólares para os cofres nacionais russos.

(www.dw.com, 05.07.2023. Adaptado.)

No contexto econômico e político mundiais, o excerto explicita a contradição entre

PRISONS AND MOBILE PHONES

Bricking the intruders

If mobile phones can’t be kept out of prisons, can they be made useless?

Oct 14th 2010 | RAIFORD, FLORIDA AND PARCHMAN, MISSISSIPPI

THE striking thing about mobile phones in American prisons is not that they exist—though they do, in great numbers—but the ingenuity used to get and keep them. There are the usual entry methods: from visitors, corrupt guards or in packages hurled over the fence. But phones often take more exotic paths. In South Carolina a potato gun was used to fire phones over prison walls from a distance of a third of a mile. In Mississippi a suspiciously heavy and bounceless basketball in the recreation yard was found to contain 19 phones and chargers. (…)

Available on http://www.economist.com/node/17257847?story_id=17257847, accessed on November 4, 2010

Brasil: população residente e número de municípios segundo faixas de população municipal, 2022

(https://agenciadenoticias.ibge.gov.br, 28.06.2023. Adaptado.)

Os dados apresentados pelo gráfico expressam 

PRISONS AND MOBILE PHONES

Bricking the intruders

If mobile phones can’t be kept out of prisons, can they be made useless?

Oct 14th 2010 | RAIFORD, FLORIDA AND PARCHMAN, MISSISSIPPI

THE striking thing about mobile phones in American prisons is not that they exist—though they do, in great numbers—but the ingenuity used to get and keep them. There are the usual entry methods: from visitors, corrupt guards or in packages hurled over the fence. But phones often take more exotic paths. In South Carolina a potato gun was used to fire phones over prison walls from a distance of a third of a mile. In Mississippi a suspiciously heavy and bounceless basketball in the recreation yard was found to contain 19 phones and chargers. (…)

Available on http://www.economist.com/node/17257847?story_id=17257847, accessed on November 4, 2010

Analise os mapas.

Previsão trimestral de anomalia, 2023

(https://portal.inmet.gov.br, 19.04.2023. Adaptado.)

Considerando a relação oceano-atmosfera, a anomalia indicada nos mapas corresponde

GOOGLE TV: BOOM OR BUST

By: Tim Bajarin (10.18.2010)

The industry has been trying to bring IPTV to your TV since 1997. What makes Google and its partners think they'll be successful?

I have a question for you. Do you want to view the Internet on your TV? With all of the activity in IPTV these days, this is one of the key questions that is at the heart of whether IPTV eventually succeeds or fails. Since TVs were invented, we have been trained to sit in front of them and consume not interact with them. And only recently have we had to multitask with our TV. Even though we've had picture in picture for years, it took news scrolls at the bottom of our TV screens to train our brains. So, how will consumers integrate the new and even more complex IPTV features into their TV viewing experience?

One of the traits of consumers that has emboldened the IPTV crowd to push forward is the fact that many people sit on their couch and use their laptops or tablets while watching TV. They reason that if they multi-task in this fashion, they may be willing do it on the bigger screen. While I accept the fact that people may want Internet content, such as movies, TV shows, YouTube, etc. on their TV screens, it is quite a leap to assume that people also want to read their newspapers and magazines or view Web sites on a big-screen TV.

Source: http://www.pcmag.com/article2/0,2817,2370894,00.asp, accessed on November 4, 2010.

    A geração elétrica não é o único benefício proporcionado pelos chamados sistemas fotovoltaicos flutuantes. Eles também são capazes de reduzir a evaporação dos reservatórios de água, tornando-se um reforço hídrico para localidades que não têm solidez no abastecimento, como a região do semiárido brasileiro.

(Domingos Zaparolli. “Usinas solares flutuantes”.

Revista Pesquisa Fapesp, fev. 2023. Adaptado.)

A implantação do sistema tratado no excerto proporciona

Leia a notícia.

Ao escrever a notícia, o repórter solicitou à diagramação do jornal a confecção de um mapa com a ferrovia Norte-Sul. Sabendo que o jornal consegue imprimir apenas imagens quadradas com 16 cm de lado, a escala do mapa será:

GOOGLE TV: BOOM OR BUST

By: Tim Bajarin (10.18.2010)

The industry has been trying to bring IPTV to your TV since 1997. What makes Google and its partners think they'll be successful?

I have a question for you. Do you want to view the Internet on your TV? With all of the activity in IPTV these days, this is one of the key questions that is at the heart of whether IPTV eventually succeeds or fails. Since TVs were invented, we have been trained to sit in front of them and consume not interact with them. And only recently have we had to multitask with our TV. Even though we've had picture in picture for years, it took news scrolls at the bottom of our TV screens to train our brains. So, how will consumers integrate the new and even more complex IPTV features into their TV viewing experience?

One of the traits of consumers that has emboldened the IPTV crowd to push forward is the fact that many people sit on their couch and use their laptops or tablets while watching TV. They reason that if they multi-task in this fashion, they may be willing do it on the bigger screen. While I accept the fact that people may want Internet content, such as movies, TV shows, YouTube, etc. on their TV screens, it is quite a leap to assume that people also want to read their newspapers and magazines or view Web sites on a big-screen TV.

Source: http://www.pcmag.com/article2/0,2817,2370894,00.asp, accessed on November 4, 2010.

O gráfico mostra a variação do número de indivíduos em populações de ouriços-do-mar, algas marinhas e lontras-marinhas, não necessariamente nessa ordem. As três espécies apresentam relações tróficas e integram a mesma cadeia alimentar marinha. Em determinado momento, a população com o menor número inicial de indivíduos sofreu rápido decréscimo, o que resultou em alterações nos números de indivíduos das outras duas populações.

Sabendo-se que as lontras-marinhas são carnívoras e que os ouriços-do-mar são onívoros, as curvas 1, 2 e 3 representadas no gráfico correspondem, respectivamente, às populações de

GOOGLE TV: BOOM OR BUST

By: Tim Bajarin (10.18.2010)

The industry has been trying to bring IPTV to your TV since 1997. What makes Google and its partners think they'll be successful?

I have a question for you. Do you want to view the Internet on your TV? With all of the activity in IPTV these days, this is one of the key questions that is at the heart of whether IPTV eventually succeeds or fails. Since TVs were invented, we have been trained to sit in front of them and consume not interact with them. And only recently have we had to multitask with our TV. Even though we've had picture in picture for years, it took news scrolls at the bottom of our TV screens to train our brains. So, how will consumers integrate the new and even more complex IPTV features into their TV viewing experience?

One of the traits of consumers that has emboldened the IPTV crowd to push forward is the fact that many people sit on their couch and use their laptops or tablets while watching TV. They reason that if they multi-task in this fashion, they may be willing do it on the bigger screen. While I accept the fact that people may want Internet content, such as movies, TV shows, YouTube, etc. on their TV screens, it is quite a leap to assume that people also want to read their newspapers and magazines or view Web sites on a big-screen TV.

Source: http://www.pcmag.com/article2/0,2817,2370894,00.asp, accessed on November 4, 2010.

A Sistemática é a área da biologia que investiga a história evolutiva dos diferentes grupos de seres vivos, como no estudo dos animais, ou seja, na zoologia. Para se analisar essas relações evolutivas é realizado um estudo da filogenia, que é representada por cladogramas. Atualmente tem-se construído cladogramas em zoologia a partir de evidências moleculares utilizando principalmente semelhanças entre

THE NEW ‘OS’ WARS: WINNERS AND LOSERS

By: Tim Bajarin (10.29.2010)

The new OS war will be between operating systems that can work on all types of digital screens.

For decades, when people talked about OS wars, they were mostly referring to the Windows vs. Mac battle. These two operating systems have dominated the PC landscape with Windows owning about 90 percent of the market. This OS war has been great for the PC industry, because as Apple continues to innovate on its OS platform, it forces Microsoft to innovate as well, and in turn, consumers constantly receive new and more powerful OS platforms for their PCs.

Now there is a another OS war developing around smartphones, and if you think the PC OS wars were nasty, just wait for this OS war to heat up. We've already seen charged rhetoric from Apple CEO Steve Jobs over the iPhone, Andy Rubin at Google defending Android against the competition, and RIM's CEO Jim Balsillie ranting about Jobs and company during the iPhone antenna dilemma. All of these folks realize that the stakes are very high and that they need to do whatever is necessary to keep the market looking at them and pushing their platforms forward. To put these OS stakes into perspective, market researchers say that 1.2 billion cell phones will be sold worldwide this year. And while smartphones represent only 22 percent of the cell phone market for 2010, they will make up 60 percent of the market in the U.S. by 2012 and 65 percent of all cell phones sold worldwide will be smartphones by 2015. That means that by 2015 we could see as many as 750 million smartphones sold around the world, which is a massive market and will create amazing market opportunities.

Source: http://www.pcmag.com/article2/0,2817,2371776,00.asp, accessed on November 4, 2010. 

Foi realizado um cruzamento entre uma planta de genótipo AAbb com uma planta de genótipo aaBB, e o descendente diíbrido F1 foi submetido a um cruzamento-teste. O resultado desse cruzamento-teste gerou uma prole constituída de 120 indivíduos com genótipo AaBb, 120 indivíduos com genótipo aabb, 880 indivíduos com genótipo Aabb e 880 indivíduos com genótipo aaBb. Diante desse resultado, afirma-se que 

THE NEW ‘OS’ WARS: WINNERS AND LOSERS

By: Tim Bajarin (10.29.2010)

The new OS war will be between operating systems that can work on all types of digital screens.

For decades, when people talked about OS wars, they were mostly referring to the Windows vs. Mac battle. These two operating systems have dominated the PC landscape with Windows owning about 90 percent of the market. This OS war has been great for the PC industry, because as Apple continues to innovate on its OS platform, it forces Microsoft to innovate as well, and in turn, consumers constantly receive new and more powerful OS platforms for their PCs.

Now there is a another OS war developing around smartphones, and if you think the PC OS wars were nasty, just wait for this OS war to heat up. We've already seen charged rhetoric from Apple CEO Steve Jobs over the iPhone, Andy Rubin at Google defending Android against the competition, and RIM's CEO Jim Balsillie ranting about Jobs and company during the iPhone antenna dilemma. All of these folks realize that the stakes are very high and that they need to do whatever is necessary to keep the market looking at them and pushing their platforms forward. To put these OS stakes into perspective, market researchers say that 1.2 billion cell phones will be sold worldwide this year. And while smartphones represent only 22 percent of the cell phone market for 2010, they will make up 60 percent of the market in the U.S. by 2012 and 65 percent of all cell phones sold worldwide will be smartphones by 2015. That means that by 2015 we could see as many as 750 million smartphones sold around the world, which is a massive market and will create amazing market opportunities.

Source: http://www.pcmag.com/article2/0,2817,2371776,00.asp, accessed on November 4, 2010. 

Em um lago há uma população de peixes cujo comprimento das nadadeiras caudais é determinado por um gene autossômico, com dois alelos diferentes. O alelo A determina nadadeira caudal longa e o alelo a determina nadadeira caudal curta. Essa população está em equilíbrio de Hardy-Weinberg. Suponha que existam 5000 peixes de genótipos AA, 2000 peixes de genótipos Aa e 3000 peixes de genótipos aa. Considerando que os peixes dessa população acasalem-se ao acaso, a frequência de peixes com nadadeiras caudais longas na prole gerada será de