NO FILES PLZ HELP Which of the following statements describes a chemical change?
Select one:
a. A gas is given off when a liquid boils.
b. A new substance is formed with different properties.
c. A solid dissolves in a liquid.
O d. A solid forms when a liquid freezes.

i believe the answer is b hope this is helpful

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.

sorry i was late, but i don't know what assignment your talking about, i'm in flvs as well, im in earth space science. but u are behind pace bc every class should be in the 3's or 4'