What percentage of air is carbon diaoxide ? _______________
Answers
Answered by
2
it occurs naturally in Earth's atmosphere as a trace gas. The current concentration is about 0.04% (412 ppm) by volume, having risen from pre-industrial levels of 280 ppm.
Answered by
0
Answer:
1 percentage
Explanation:
1 PRC.. of Cobain diocese in air
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