Ice bomb
what were your observations? {there are two of them
a) change in color
b) formation of a gas
c) formation of a solid
d) change in energy

Formation of Gas

Explanation:

The solid Carbon Dioxide warms it sublimates to gas. With limited room for the gas to expand, the pressure in the bottle increases.

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.