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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
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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 Stenlytw
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2 Answers

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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 Pumkko
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4 votes

Answer:

i believe its A.

Step-by-step explanation:

User ZenBalance
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