* Water vapor deposes into frost. What are the frost particles made of?

Molecules of Hydrogen
Molecules of H2O
Molecules of Oxygen
Molecules of Hydrogen and Molecules of Oxygen

Molecules of H2O

Explanation:

Frost is condensed vapour and vapour is gaseous water. So, their particles are made up of same particles as water, i.e., H2O.

i believe it is c.) 1575 j.

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.