The third one is correct, not sure abt another one
Answer: a rule that describes a pattern in nature.
Explanation:
I think it's B. Molecules collide more frequently
It is a Compound.
Water can't be a mixture because it is chemically bonded and cannot be separated into H2 and O by physical means.
And water cannot be an element, because it is made of atoms of different types [H and Oxygen]
