Review 2

Front

How does coal form?

Back

Coal forms when dead plant material temporarily decays in a swamp environment.

Front

What process contributes carbon dioxide to the atmosphere?

Back

Respiration contributes carbon dioxide to the atmosphere.

Front

What gas do plants release that humans depend on for survival?

Back

Plants release oxygen, which humans depend on for survival.

Front

What effect does burning fossil fuels have on the carbon cycle?

Back

Burning fossil fuels adds carbon dioxide to the atmosphere.

Front

Where can carbon be found?

Back

Carbon can be found in the atmosphere, soil, and fossil fuels.

Front

What is respiration?

Back

Respiration is the process by which living organisms convert oxygen and glucose into energy, releasing carbon dioxide as a byproduct.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water into glucose and oxygen.

Front

What role do decomposers play in the carbon cycle?

Back

Decomposers break down dead organic matter, returning carbon to the soil and atmosphere.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases like carbon dioxide.

Front

What are fossil fuels?

Back

Fossil fuels are natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas.