Carbon Emissions Review

What is the greenhouse effect?

• The process by which plants grow in a greenhouse

• When gases trap heat in the atmosphere and gradually heat the surface of the Earth

• The effect of sunlight on green-colored objects

• A method of producing electricity using solar panels

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What is the biggest emission that contributes to the greenhouse effect?

• Oxygen (O2)

• Nitrogen (N2)

• Carbon dioxide (CO2)

• Methane (CH4)

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What is the chemical formula for carbon dioxide?

• CO

• CO2

• C2O

• C2O2

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How is carbon dioxide represented in a molecular model?

• One carbon atom single bonded to two oxygen atoms

• One carbon atom double bonded to two oxygen atoms

• Two carbon atoms double bonded to one oxygen atom

• Two carbon atoms single bonded to two oxygen atoms

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What is the carbon cycle?

• A type of bicycle that runs on carbon

• The process by which carbon atoms are recycled over and over again in the Earth's atmosphere

• A geological process that turns carbon into diamonds

• The process by which carbon is removed from the atmosphere permanently

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Where is most carbon stored on Earth?

• In the atmosphere

• In living organisms

• In rocks and sediments

• In rivers and lakes

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What is the term used for the part of Earth where most carbon is stored?

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

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Where is the rest of Earth's carbon stored besides rocks and sediments?

• In the atmosphere

• In Earth's oceans

• In freshwater lakes

• In the soil

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What is the term used for the part of Earth where the rest of the carbon is stored?

• Biosphere

• Atmosphere

• Hydrosphere

• Geosphere

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What do living organisms do with carbon dioxide naturally?

• They only emit carbon dioxide

• They only absorb carbon dioxide

• They absorb and emit carbon dioxide naturally

• They convert carbon dioxide into oxygen only

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