Which change would increase the pressure exerted by a gas?

A decrease in volume w/ temp constant

An increase in temp w/ volume constant

An increase in the amount of gas w/ temp & volume constant

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.