According to solubility rules, which of the following compounds is insoluble in water? Question 8 options:

A)

Al(OH)3

B)

AgF

C)

CaI2

D)

Na2SO4

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

The identities of substances are the same before and after which type of change

How does a large body of water, such as the ocean, influence climate?