Air becomes wind as it flows from a. low pressure to low pressure. c. low pressure to high pressure. b. high pressure to high pressure. d. high pressure to low pressure. Please select the best answer from the choices provided A B C D

D. high pressure to low pressure.

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.