Question

Heat-trapping CO2 in the atmosphere in May 2019 was:

A. 415 parts per million

B. 405 parts per million

C. 395 parts per million

D. None of the above​

Answer 1

Answer:

Option A

Explanation:

Heat-trapping CO2 in the atmosphere in May 2019 was 415 parts per million.

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Answer 2

Answer:

415 parts per million but the answer is 417.1

Explanation:

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