- (D) Nitrous oxide is responsible for about 7% of the anthropogenic
greenhouse gases and stays in the atmosphere for about 120 years. The
concentration of nitrous oxide in the atmosphere has increased about 15%
since the Industrial Revolution. The main sources of nitrous oxide are
inorganic fertilizers and industrial processes. Natural sources of nitrous
oxide arise from biological processes within the soil and oceans.
marvins-underground-k-12
(Marvins-Underground-K-12)
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