Identify the reaction type: Zn(s) + HCl(aq) → ZnCl2(aq) + H2(g)
O synthesis
O decomposition
O single replacement

double replacement (or neutralization)
combustion

The reaction type is Synthesis

i believe the answer is a.

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.