🔷AB4D: Carbon Cycle Mastey Check

Front

What process do living organisms use to return carbon to the atmosphere?

Back

Decomposition and respiration.

Front

What are some sources that add carbon dioxide to the atmosphere?

Back

Volcanoes, combustion of fossil fuels, animal and plant respiration.

Front

What has caused the average temperature of the Earth to increase by approximately 1°C in the past century?

Back

Higher levels of carbon dioxide and other greenhouse gases in the atmosphere.

Front

Is there as much carbon on Earth as when it was formed?

Back

Yes, there is as much carbon on Earth as when it was formed.

Front

Where can carbon be found?

Back

In the atmosphere, soil, and fossil fuels.

Front

What is the carbon cycle?

Back

The process by which carbon is exchanged between the atmosphere, land, water, and living organisms.

Front

What role do plants play in the carbon cycle?

Back

Plants absorb carbon dioxide during photosynthesis and release oxygen.

Front

What is cellular respiration?

Back

The process by which living organisms convert glucose and oxygen into energy, releasing carbon dioxide and water.

Front

How do fossil fuels contribute to the carbon cycle?

Back

Fossil fuels release carbon dioxide into the atmosphere when burned.

Front

What is the greenhouse effect?

Back

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