An iron nail rusting is from a process called oxidation, this is an example of a

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:

1 a

2 d

3 a

4 c

explanation:

answer; talc and gypsum;