How many molecules are there in 560 grams of CoCl2?

answer; i believe that the correct answer is (a) potassium(k)

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.

answer; talc and gypsum;