The Carbon Cycle

What is the carbon cycle?

• It is a biochemical cycle where carbon is being put back into the atmosphere.

• It is something that you breathe out of your body.

• It is a cycle that doesn't put carbon back into the atmosphere.

• It involves the biochemical cycle and it involves transpiration.

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Is the carbon cycle substantial for life?

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Humans have a major involvement in the carbon cycle.

• True

• False

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What are 3 ways humans affect the carbon cycle?

• Burning fossil fuels, changing land use, deforestation

• Burning fossil fuels, using limestone

• Breathing it out of our bodies, planting trees, fishing

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Today the ocean has absorbed too much carbon dioxide.

• True

• False

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What 3 reasons do living things need carbon for?

• All the above

• Protiens

• Carbohydrates

• Lipids

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What 2 things can happen if the ocean takes in too much carbon?

• The ocean turns acidic.

• The oceans coral will melt.

• It decreases sea level.

• It causes cellular respiration.

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The carbon cycle is what type of cycle?

• biochemical cycle

• nitrogen cycle

• water cycle

• i don't know

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All of these are fossil fuels except which one.

• sugar/ glucose

• oil

• petroleum

• coal

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How does carbon affect the climate

• it causes global warming

• decreases global warming

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