Question

1.
.....................exists in all three states
of
matter,​

Answer 1

Answer:

Water is your answer

Explanation:

Water is the only substance where all three states can be readily observed in everyday life: solid water as ice, liquid water in a water fountain, and gaseous water as steam.

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Answer 2

Answer:

Water

Explanation:

Well, this is one of the reason why water is ideal :)