macimccallon macimccallon

11-03-2021
Biology

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Describe the impact humans have had on carbon and its reservoirs over the last 200 years.

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kaliyahd kaliyahd

11-03-2021

Measurements of air and ice course shows there for the pass 800,000 years open till the 20th century the atmosphere CO2 concentration stayed with in the rage 170 to 300

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