Evidence shows that interstellar bodies are moving far away from earth some faster than others which best suggest that the universe a is shrinking. b is expanding. c. was not formed by a big bang. d. has always been the same size will mark brilliant

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.