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The Carbon Cycle
Transcript of The Carbon Cycle
Carbon dioxide is used by plants via photosynthesis. Plants take in CO2 and release O2. The chemical formula for photosynthesis is 6C02 + 6H20 --> C6H12O6 + 6O2
Because humans clear so much forest, there are less trees and plants available to photosynthesize Carbon Dioxide.
Animals access Carbon Dioxide by consuming plants. Animals then break down carbon dioxide through the process of cellular respiration. This carbon dioxide is then released by the animals. The chemical formula for cellular respiration is C6H12O6 + 6 O2 -> 6 CO2 + 6 H2O + Energy (ATP)
While the carbon cycle is relatively fixed, human combustion of fossil fuels releases a large amount of CO2, O2 and water vapor into the atmosphere. The extra emissions contribute to global warming as the extra CO2 traps heat. This is how humans impact the Carbon Cycle.
When animals or plants die, they start to break down. As they do this, carbon is released into their surroundings.
Carbon in the air!
Definition: The process by which carbon is exchanged between the various geological systems of the earth and its atmosphere