Carbon Cycle

Front

What is the Carbon Cycle?

Back

The circulation of the element Carbon among Earth's atmosphere, land, oceans, and organisms.

Front

What happens to carbon when humans burn fossil fuels?

Back

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

Front

What process do plants and algae use to make food and building blocks for growth?

Back

Photosynthesis.

Front

What is a true statement regarding humans and plants?

Back

Humans depend on oxygen, while plants depend on carbon dioxide.

Front

Which process removes carbon from the atmosphere?

Back

Photosynthesis.

Front

What role do oceans play in the Carbon Cycle?

Back

Oceans absorb carbon dioxide from the atmosphere and store carbon.

Front

How do animals contribute to the Carbon Cycle?

Back

Animals release carbon dioxide back into the atmosphere through respiration.

Front

What is the significance of decomposers in the Carbon Cycle?

Back

Decomposers break down dead organic matter, releasing carbon back into the soil and atmosphere.

Front

What is the impact of deforestation on the Carbon Cycle?

Back

Deforestation reduces the number of trees available to absorb carbon dioxide, increasing atmospheric carbon levels.

Front

How does the burning of fossil fuels affect climate change?

Back

It increases the concentration of greenhouse gases in the atmosphere, leading to global warming.