The Carbon Cycle

Front

Which of the following is a major reservoir of carbon in the carbon cycle? Oceans, Mountains, Deserts, Forests

Back

Oceans

Front

Which of the following is not a part of the carbon cycle? Photosynthesis, Respiration, Combustion, Evaporation

Back

Evaporation

Front

What is the main gas that trees absorb to gain mass?

Back

Carbon dioxide

Front

Which process in the carbon cycle involves the conversion of carbon dioxide into organic compounds by living organisms?

Back

Photosynthesis

Front

What is the primary form of carbon found in the atmosphere?

Back

Carbon dioxide

Front

Which of the following human activities is a major source of carbon emissions? Deforestation, Fishing, Recycling, Composting

Back

Deforestation

Front

What role do oceans play in the carbon cycle?

Back

They act as a carbon sink, absorbing carbon dioxide

Front

Which process releases carbon dioxide back into the atmosphere during the carbon cycle?

Back

Respiration

Front

Which of the following is a natural process that removes carbon dioxide from the atmosphere?

• Volcanic eruptions
• Photosynthesis
• Combustion
• Deforestation

Back

Photosynthesis

Front

Consequence of increased carbon dioxide levels in the atmosphere: Global cooling, Ocean acidification, Decreased plant growth, Increased oxygen levels

Back

Ocean acidification