Perform the subtraction and simplify. 
Definitions:
Biodiversity
The variety and variability of life on Earth, encompassing the diversity within species, between species, and of ecosystems.
Rain Forests
Densely wooded areas typically found in tropical regions, characterized by high rainfall and biodiversity, crucial for the global climate and ecosystem.
Carbon Dioxide
Carbon dioxide is a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in the air and is a crucial greenhouse gas.
Extinction
The permanent end of the existence of a species or group of organisms, meaning that no living members of the species remain.
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