NGSS.HS-ESS2-6

Carbon dioxide and seawater combine to form

• calcium carbonate
• carbon monoxide
• carbonic acid 

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NGSS.HS-ESS2-6

By what amount did carbon dioxide in Earth's atmosphere increase between 1960 and 2000?

• 40 -50 ppm
• 60 -70 ppm
• 110 -120 ppm
• 360 -370 ppm

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NGSS.HS-ESS2-6

What is the largest carbon sink in the world?

• The Amazon
• The Oceans
• The Deserts
• The Forests

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NGSS.HS-ESS2-6

Which pollution is caused by burning of fossil fuels such as cars and airplanes?

• Air
• Noise
• Land

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NGSS.HS-ESS2-6

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

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NGSS.HS-ESS2-6

Which 2 greenhouse gases contribute the MOST to global warming of Earth?

• N2O and H2O
• O3 and H2O
• CO2 and CH4

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NGSS.HS-ESS2-6

The concentration of carbon dioxide in the atmosphere

• is increasing in part due to fossil fuel use.

• has not significantly changed in the past 200 years.

• is increasing in part due to deforestation.

• has been decreasing since the 1800’s.

• can not be reliably measured

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NGSS.HS-ESS2-6

Human activities such as the ____ release large amounts of Carbon into our atmosphere.

• Burning of fossil fuels

• burning of wood

• use of synthetic fertilizers

• use of detergents

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NGSS.HS-ESS2-6

What is the probable cause of global warming?

• a reduction in the number of glaciers

• increased greenhouse gases in the atmosphere

• weakened prevailing winds

• faster ocean currents

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NGSS.HS-ESS2-6

The greenhouse gas having the greatest role in human-caused global warming is

• methane
• carbon dioxide
• CFCs (chlorofluorocarbons)
• ozone

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NGSS.HS-ESS2-6