Based on the model simulation of the carbon cycle, the atmospheric CO2 increases when you decrease the plant biomass.
What is the Carbon cycle?
The carbon cycle may be defined as the biogeochemical cycle by which carbon and its derivatives are swapped among the different zones of the Earth such as the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere.
It is only the plant that uses CO2 for the production of food via the process of photosynthesis and converts it into atmospheric oxygen.
Once the biomass of the plant decreases, the atmospheric level of CO2 increases because now no one on the Earth has the ability to convert carbon dioxide into oxygen.
Therefore, based on the model simulation of the carbon cycle, the atmospheric CO2 increases when you decrease the plant biomass.
To learn more about the Carbon cycle, refer to the link:
https://brainly.com/question/2272536
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