Which actions are part of the process of scientific inquiry? check all that apply

How are we supposed to answer that if there is nothing to see

Explanation:

first one is the correct answer

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.