jordiNotFound
jordiNotFound jordiNotFound
  • 12-10-2021
  • Biology
contestada

What two human activities have increased that amount of CO2 in the atmosphere from 280 ppm to 400 ppm in the last 200 years? ​

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kyrincox
kyrincox kyrincox
  • 12-10-2021

Answer: B

Explanation:

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