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

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

true

hope that