Carbon Cycle Quiz

What is the carbon cycle?

• How carbon moves throughout the earth.

• How carbon moves in a food chain.

• How carbon moves inside an environment.

• How carbon moves inside of a human.

How does respiration contributes to the carbon cycle?

• Respiration releases oxygen into the atmosphere.

• Respiration releases carbon dioxide into the atmosphere.

• Respiration moves carbon from the soil to the atmosphere.

• Respiration does not affect the carbon cycle.

What role do decomposers play in the carbon cycle?

• They eat dead animals which releases oxygen into the atmosphere.

• They eat living animals which releases oxygen into the atmosphere.

• They eat dead animals which releases carbon dioxide into the atmosphere.

• They eat living animals which releases oxygen dioxide into the atmosphere.

A carbon sink releases more carbon dioxide into the atmosphere than it absorbs.

• True

• False

A carbon source absorbs more carbon than it releases.

• True

• False

Burning fossil fuels benefits the carbon cycle on earth.

• True

• False

How does deforestation influence the carbon cycle?

• Deforestation causes the atmosphere to hold more carbon dioxide.

• Deforestation causes the atmosphere to release more carbon dioxide.

• Deforestation causes the carbon cycle to freeze.

• Deforestation does not affect the carbon cycle.

Carbon sequestration is when carbon dioxide from the __________ is captured and stored somewhere on earth.

How is combustion connected to the carbon cycle.

• Combusting coal releases carbon dioxide into the atmosphere.

• Combusting oil releases carbon dioxide into the atmosphere.

• Combusting natural gas releases carbon dioxide into the atmosphere.

• All of the above.

What is one way of reducing your carbon footprint? Select all correct responses.

• Reading a book.

• Walking to the store instead of driving a car.

• Using less electricity.

• Using solar power for your home.