An anaerobic reaction takes place
only when there is plenty of oxygen
only in the presence of nitrogen
in water
in little or no oxygen

acid rain does not usually kill trees directly. instead, it is more likely to weaken the trees by damaging their leaves, limiting the nutrients available to them, or poisoning them with toxic substances slowly released from the soil. the main atmospheric pollutants that affect trees are nitrates and sulphates.

bcde is the incorrect answer it is a