Question

how many percent of co2 is present in atmosphere​

Answer 1

Answer:

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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

Explanation:

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Answer 2

Answer: CO2 Makes Up Just 0.04% of Earth's Atmosphere