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32 votes
32 votes
What are carbon dioxide levels like in our atmosphere today?

A. at an all-time high in Earth’s recorded history

B. about the same as it was 1 million years ago

C.at an all-time low in Earth’s recorded history

D.lower than it was 75 years ago

User Andreas Baus
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2 Answers

8 votes
8 votes
The answer is A.

Data has shown that it has made a high record of 412.5 ppm as of 2020.

Hope I helped :)!
User Dfche
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3.0k points
17 votes
17 votes

Answer:

i believe its A.

Step-by-step explanation:

User Michael Sagalovich
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2.8k points