What states of matter does water naturally exist on earth?

It can appear in solids, liquids, gases and plasma.

Explanation:

Water is odourless, tasteless and is unique because it is the only natural substance that can exist in all three states of matter at the temperatures normally found on Earth! Water is usually a liquid, but when it reaches to 32° Fahrenheit (F), it freezes into ice. (Ice is the solid state of water.) When water reaches 212° F, it boils.

Water is essential for Human benefits like cooking, transportation etc. water affect our daily lives as the popular saying goes "we can do without water".

what are the choices for the anwser?

answer at the divergent plate boundary in the middle of the ocean;