what is the proportion of nutrious oxide in the Atmosphere?
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Answer:
331.1 in per part of billion
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Explanation:
Nitrous Oxide
Its atmospheric concentration in 2018 was 331.1 parts per billion. This is 123% of pre-industrial levels. The increase from 2017 to 2018 was also higher than that observed from 2016 to 2017 and the average growth rate over the past 10 years.
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