Our Changing Climate

According to the article, what is the main cause of climate change over the last 100 years?

• Greenland's melting ice sheet

• cow farts

• human activity

• solar panels

Which sentence from the article most helps you to answer the previous question?

• The global warming of the past 50 years is primarily due to human activities.

• Carpooling to school and work cuts down on the burning of fossil fuels.

• This difference caused Greenland's ice sheet to lose 197 billion tons of ice in July 2019.

• You can even install solar panels on your roof that use the sun for natural energy.

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CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2

Which of these include greenhouse gases discussed in the article?

• carbon dioxide and methane gas

• nitrous oxide and natural gas

• water vapor and ozone

• gasoline and coal dust

How do greenhouse gases contribute to the rapid warming of Earth over time?

• Trees absorb carbon dioxide and then slowly die, leaving less shade on Earth.

• They cause a blanket to form in the air and the sun's heat is released.

• More human transportation causes greenhouse gases to be released.

• They cause a blanket to form in the air and the sun's heat is trapped.

Why is recycling such an important part of the fight against global warming?

• The greenhouse effect is primarily caused by littering.

• Scientists believe the recycling can save money on plastics we need.

• Recycling helps to keep our oceans free of plastics and garbage.

• The trash we produce goes into landfills which produce greenhouse gases.

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CCSS.RI.2.9

CCSS.RI.4.8

CCSS.RI.5.8

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CCSS.RL.6.1

Which of the following reasons could explain how humans contribute to the harmful amount of cow farts on the planet?

• The fields that cows graze in are full of greenhouse gases that harm the planet.

• Farmers are choosing not to raise cows because of methane gas.

• Humans keep wanting the products from cows, like milk and beef.

• Cows are naturally gassy animals, and there is nothing we can do about that.

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CCSS.RI.3.3

CCSS.RI.4.3

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CCSS.RI.7.3