For a substances to be a mineral, it must have the following 5 characteristics, one of these characteristics is
Select the correct response:
Crystal structure
Liquid
Manufactured
None of the above

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.