Global Warming

The main human activity that releases greenhouse gases is

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

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

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

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NGSS.MS-ESS3-5

What is the greenhouse effect?

• warming of the earth due to gases in our atmosphere.
• cooling of the earth due to gases in our atmosphere

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Carbon is used by plants during which process?

• Respiration
• Transpiration
• Photosynthesis
• Transportation

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Is wood a renewable resource?

• No, once you cut down a tree it is gone forever.
• Yes, we can manage forests and replace trees that are used.

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NGSS.MS-LS2-5

Do we need greenhouse gases on Earth?

• Yes - they keep the Earth warm
• Yes - they keep all the gases on our planet
• No - they only cause terrible climate change
• No - they only block some of the Sun's rays

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The gradual increase in the temperature is known as ...

• Green Effect

• Methane

• Carbon dioxide Gases

• Global Warming

How can Global Warming cause sea levels to rise?

• by causing it to rain more often.

• by creating bigger and more powerful hurricanes.

• by melting glaciers and ice caps.

• by increasing the number of undersea volcanic eruptions.

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Why does cutting down trees increase Global Warming?

• Trees absorb the Sun’s energy without radiating back into the atmosphere.

• Trees drain Greenhouse gases like methane from soil.

• Trees provide shade which counteracts Global Warming.

• Trees soak up Carbon dioxide.

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Which statement is the most accurate?

• Climate is determined by average weather conditions.

• Climatologists examine data from one to a few years to estimate weather.

• Weather is determined by average climate conditions.

• None of these answers are accurate.

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NGSS.MS-ESS2-6