Carbon
NASA
Earth has many processes that regulate carbon, atmospheric carbon dioxide and its role in the carbon cycle and climate. How much do you know?
Sample questions
- Carbon dioxide is not the only carbon-containing compound in the atmosphere researchers are studying. What else are scientists looking at?
- What role do the oceans play in the carbon cycle?
- Plants use carbon dioxide and water to make their own food through the process of photosynthesis. When they are doing a lot of photosynthesis, plants reflect light strongly in which of the following wavelengths?
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