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?
Answer questions like ...
- 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?
- Why do levels of carbon dioxide in the atmosphere fall during the summer in the Northern Hemisphere?
- Fires release the carbon stored in plants, so measuring the extent and severity of forest fires around the globe is an important ingredient in understanding the carbon cycle.
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