What cannot be changed by turning 100 grams of ice into water?
a. mass
b. phase
c. volume
d. density

A

Explanation:

the mass will not change by changing the state of H2O from solid ice to liquid water. The volume will change and the density will change as a result of the volume change and the phase also changes from solid to liquid

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.