Classify each substance as either a mixture or a pure substance.
chlorine
water
air
brass
coffee
olive oil
copper

Mixtures :

* air

* brass

* coffee

* olive oil

Pure substances :

* chlorine

* water

* copper

(-_-(-_-)-_-)

answer: the primary difference between a hypothesis and a theory is that b hypothesis is falsifiable, but a theory has been proven to be correct. theory is an explanation of something that is happening but hypothesis is a guess of something that can happen

explanation:

hurricanes form in warm water