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Our use of carbon stores releases stored carbon dioxide into the atmosphere through activities like deforestation and burning fossil fuels. This increases the amount of CO2 in the atmosphere, contributing to the greenhouse effect and global warming. Reducing our reliance on these carbon stores can help mitigate these effects.
Respiration (breathing) has no effect on the amount of carbon dioxide in the atmosphere. Breathing is part of the carbon cycle. We take in carbon in our food and drink and we release it again when we breathe. If we eat too much, the extra carbon is stored in our bodies, making us fatter, in much the same way as a tree stores carbon in its wood as it grows.So breathing does not increase or decrease the amount of carbon dioxide in the atmosphere.
In the carbon cycle, a carbon source releases carbon dioxide into the atmosphere, while a carbon sink absorbs and stores carbon dioxide from the atmosphere.
About half the body weight of a tree is carbon. The tree absorbs carbon dioxide from the atmosphere, stores the carbon, and releases the oxygen. As the tree grows, it stores more and more carbon.
False.
A carbon sink is a storage for carbon. A tree is a carbon sink because it absorbs carbon dioxide (a greenhouse gas) from the atmosphere, stores the carbon and releases the oxygen. So forests are major carbon sinks which reduce the levels of greenhouse gas in the atmosphere.
A carbon source is a process that releases carbon dioxide into the atmosphere, while a carbon sink is a process that absorbs and stores carbon dioxide.
Photosynthesis is considered a carbon sink in the ecosystem because it removes carbon dioxide from the atmosphere and stores it in plants as carbohydrates.
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