AP Environmental Sciencemediummcq1 pt
Which human activity most directly increases atmospheric N₂O, a greenhouse gas?
A.Applying nitrogen fertilizers
B.Installing solar panels
C.Recycling paper
D.Building wind farms
Explanation
Core Concept
Soil microbes convert excess fertilizer nitrogen into nitrous oxide, a potent greenhouse gas — an unintended nitrogen-cycle consequence.
Correct Answer
AApplying nitrogen fertilizers
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