Greenhouse Effect

What is the greenhouse effect?

• The warming of a planet due to trapped radiation.
• The cooling of Earth due to air pollution.
• The heating of a solid, such as a rock.

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 Which of the following activities contributes the most to carbon emissions globally?

• Deforestation
• Agriculture
• Burning fossil fuels
• Respiration

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Melting of glaciers and polar ice caps....

• will result in cooler temperatures in the Arctic
• will result in sea-levels rising
• Will have no effect on ecosystems
• None of the above

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Which of the following are greenhouse gases?

• Carbon dioxide
• Methane
• Water vapor
• All answers are correct

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What happens to the temperature if more greenhouse gases are released into the atmosphere?

• Temperature goes up
• Temperature goes down

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1.  Why is the Ozone important to life on Earth?

• A.   The Ozone reflects all the Ultra Violet radiation
• A.  The Ozone absorbs all the heat that come up from the Earth.
• The Ozone provides all the oxygen to Earth.
• The Ozone protects the Earth’ s atmosphere and the life on Earth from harmful radiant energy emitted by the sun   

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Over the past 200 years, the level of carbon dioxide in the atmosphere has

• decreased slightly.   
• increased until recently, and then decreased.
• increased steadily.   
• stayed about the same.

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Increased carbon dioxide may cause global warming by

• allowing more sunlight into the atmosphere.
• reflecting more sunlight from clouds.
• reducing the amount of oxygen in the air.   
• trapping more heat in the atmosphere.

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One thing people in the United States could do to reduce air pollution is

• drive their cars more.
• burn more fossil fuels.
• use more public transportation. (Which would mean less vehicles on road)           
• build more factories.

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What happens to the temperature if more greenhouse gases are released into the atmosphere?

• Temperature goes up
• Temperature goes down

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