Compared to other minerals, a mineral that is ranked higher on the moh’s scale will be:
a. harder
b. more dense
c. shinier
d. more reactive

the answer is A. harder

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.