Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged between the Earth's atmosphere, land, oceans, and living organisms, involving processes such as photosynthesis, respiration, decomposition, and combustion.

Front

True or False: All of the carbon in existence is continually recycled in the carbon cycle.

Back

True

Front

What happens to carbon when humans burn fossil fuels?

Back

Most of the carbon quickly enters the atmosphere as carbon dioxide.

Front

What is the primary process by which carbon is removed from the atmosphere?

Back

Photosynthesis.

Front

Which organisms are known to create calcium carbonate structures?

Back

Corals.

Front

What compound does NOT contain carbon atoms?

Back

Ammonium.

Front

What role do plants play in the carbon cycle?

Back

Plants absorb carbon dioxide from the atmosphere during photosynthesis, helping to reduce atmospheric carbon levels.

Front

What is the significance of photosynthesis in the carbon cycle?

Back

Photosynthesis converts carbon dioxide into organic compounds, providing energy for plants and releasing oxygen as a byproduct.

Front

How do oceans contribute to the carbon cycle?

Back

Oceans absorb carbon dioxide from the atmosphere and store it in water, where it can be used by marine organisms or converted into carbonate minerals.

Front

What is the impact of deforestation on the carbon cycle?

Back

Deforestation reduces the number of trees available to absorb carbon dioxide, leading to increased levels of carbon in the atmosphere.