Which statement about the earth atmosphere is true

1 answer:

8 0

I believe it to be C

Explanation: The concentration of carbon dioxide in Earth’s atmosphere is currently at nearly 412 parts per million (ppm) and rising. This represents a 47 percent increase since the beginning of the Industrial Age, when the concentration was near 280 ppm, and an 11 percent increase since 2000, when it was near 370 ppm.

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Answer:

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Explanation:

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$^{A}_{Z}X \rightarrow ^{2}_{1}H$