Which of the following statements about "acid rain" is correct_______
A. Acid rain has a strong corrosive effect on buildings
B. Rainwater with pH < 5.6 can be regarded as "acid rain"
C. Because "acid rain" has the effect of increasing soil fertility, "acid rain" is harmful to agriculture and also beneficial
D. Both A and B
Answer:D
Which of the following statements about "acid rain" is correct_______
A. Acid rain has a strong corrosive effect on buildings B. Rainwater with pH < 5.6 can be regarded as "acid rain" C. Because "acid rain" has the effect of increasing soil fertility, "acid rain" is harmful to agriculture and also beneficial D. Both A and B