1. The sun's atmosphere is the

photosphere

Explanation:

d: the voltage of the secondary coil is less than that of the primary coil.

im not suree sorry if wrong

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.