Carbon Cycle and Greenhouse

Front

What is the primary source of carbon in soil?

Back

Dead animals and plants.

Front

What is the greenhouse effect?

Back

The warming of the atmosphere by the trapping of heat being radiated to space.

Front

Is all carbon in existence continually recycled in the carbon cycle?

Back

True.

Front

How does increased carbon dioxide contribute to global warming?

Back

By trapping more heat in the atmosphere.

Front

What is the consequence of melting glaciers and polar ice caps?

Back

It will result in sea-levels rising.

Front

What process involves the movement of carbon through the atmosphere, land, and oceans?

Back

The carbon cycle.

Front

What role do plants play in the carbon cycle?

Back

They absorb carbon dioxide during photosynthesis.

Front

What is the impact of deforestation on the carbon cycle?

Back

It reduces the number of trees that can absorb carbon dioxide.

Front

What is a carbon sink?

Back

A natural reservoir that stores carbon, such as forests and oceans.

Front

What human activities contribute to increased carbon dioxide levels?

Back

Burning fossil fuels, deforestation, and industrial processes.