Carbon dioxide in the atmosphere

12 questions

1. Which of the following are greenhouse gases?
2. What key term do we use to describe the layer of gas that surrounds a planet?
3. Which of the following is a correct equation for complete combustion?
4. Which of the following is the correct equation for respiration?
5. Which of the following lead to increased levels of carbon dioxide in the atmosphere?
6. Order the statements to describe how carbon dioxide becomes 'locked up' in sedimentary rocks.
7. The complete combustion of fossil fuels produces water and which other product?
8. Match the scientific key term with the correct definition
9. Which of the following processes does not occur in the carbon cycle?
10. What effect does increased ocean temperatures have on the amount of CO₂ dissolved in the oceans?
11. Which option best describes how far molecules of carbon dioxide released into the atmosphere in London will spread?
12. If CO₂ levels in the atmosphere are increasing, what does this tell us about the rate of addition and removal?

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