Carbon Cycle and Atmospheric CO2 Exercise

Carbon Cycle and Atmospheric CO2

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Carbon Cycle and Atmospheric CO2

Explore how carbon moves through Earth's systems and impacts atmospheric carbon dioxide levels.

Questions

  1. MultiChoice

    Which process removes carbon dioxide from the atmosphere?

  2. MultiChoice

    Which process performed by animals releases carbon dioxide back into the air?

  3. MultiChoice

    What do we call a natural feature like a forest or ocean that absorbs CO2?

  4. MultiChoice

    How does burning fossil fuels impact the carbon cycle?

  5. MultiChoice

    Which three fuels are classified as fossil fuels?

  6. MultiChoice

    Where did the carbon stored in fossil fuels originally come from?

  7. MultiChoice

    Why does cutting down forests increase carbon dioxide levels in the air?

  8. MultiChoice

    Which global feature absorbs about 30% of the carbon dioxide released by humans?

  9. MultiChoice

    What happens when carbon is released faster than natural sinks can absorb it?

  10. MultiChoice

    What is the scientific term for burning matter in the presence of oxygen?

  11. MultiChoice

    During photosynthesis, plants turn CO2 and water into oxygen and what carbon compound?

  12. MultiChoice

    How has atmospheric CO2 changed since the Industrial Revolution?