1. _ SnO2 + _H2 → _ Sn +
H20
3 is the coefficient of Sn02
3 is the coefficient of H2
2 is the coefficient of Sn
0 2 is the coefficient of H20
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.

it would be a gas formation

girl imma just put my comment here because i need a couple point okurrttt