Understanding the Carbon Cycle

Which of the following is NOT considered an organic carbon reservoir?

• Animals

• Rocks

• Plants

• Microbes

What process allows plants to act as a carbon sink?

• Combustion

• Decomposition

• Respiration

• Photosynthesis

Which process is responsible for releasing carbon dioxide back into the atmosphere when organisms break down glucose?

• Respiration

• Photosynthesis

• Combustion

• Decomposition

What is the primary difference between the biological and geological carbon cycles?

• The geological cycle involves photosynthesis, while the biological cycle involves combustion.

• The biological cycle takes millions of years, while the geological cycle happens quickly.

• The geological cycle is a carbon sink, while the biological cycle is a carbon source.

• The biological cycle involves living organisms, while the geological cycle involves rocks and fossil fuels.

Which of the following is a strategy to reduce the impact of climate change by enhancing carbon storage?

• Burning more fossil fuels

• Deforestation

• Increasing industrial emissions

• Planting trees