How is the biosphere both a "carbon source" and a "carbon sink"?
The biosphere has many ways to be a carbon sink. One of the reasons is that the forests collectively are a HUGE carbon sink. The problem is when we cut down forests, that turns them into a carbon source. All the carbon stored in those ginormous trees is released into the atmosphere. - Emily The biosphere is a very important part of climate change. The biosphere is all the living things, above and below the earth’s surface. All of the plants in the biosphere take in carbon in order to do photosynthesis and is therefore it is a carbon sink. However, when plants die and animals breathe out and release excrement they are putting carbon into the atmosphere and are therefore a carbon source. - Owen All living things are made up of carbon and also store carbon and take in carbon. For example, if you were to bury an antelope its body would start to break down, releasing carbon. So, while it is alive it is a carbon sink, but when it dies it can become a carbon source. The same thing wo...
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