Understanding the Carbon Cycle

What is the carbon cycle?

• A cycle that only occurs in the ocean

• A way to eliminate carbon from the atmosphere

• A method of producing carbon in factories

• A process of recycling carbon atoms in nature

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What is the primary role of carbon in life on Earth?

• To provide color to plants

• To destroy harmful gases

• To create new elements

• To form complex molecules like proteins and DNA

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Where is most carbon stored on Earth?

• In living organisms

• In the atmosphere

• In the ocean

• In rocks and sediments

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What is blue carbon?

• Carbon used in manufacturing

• Carbon that is blue in color

• Carbon captured by ocean and coastal ecosystems

• Carbon found in the sky

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How do human activities impact the carbon cycle?

• By increasing carbon dioxide in the atmosphere

• By reducing carbon in the ocean

• By eliminating carbon from rocks

• By creating new carbon atoms

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What happens when fossil fuels are burned?

• Carbon disappears

• Carbon dioxide is released into the atmosphere

• Carbon is converted into water

• Carbon is stored in the ocean

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What is the effect of excess carbon dioxide in the atmosphere?

• It changes our climate

• It makes the air cleaner

• It reduces global temperatures

• It stops ocean acidification

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What are carbon sinks?

• Areas with no carbon

• Places where carbon is destroyed

• Machines that absorb carbon

• Reservoirs where carbon is stored

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What is the role of the ocean in the carbon cycle?

• It has no role

• It eliminates carbon

• It produces carbon

• It acts as a giant carbon sink

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What is the significance of carbon in the atmosphere?

• It has no significance

• It makes the sky blue

• It helps regulate Earth's temperature

• It creates new life forms

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