The only item that can be found on earth in three different phases of matter at standard pressure is?

The only item that can be found on earth in three different phases of matter at standard pressure is  water( H2O).

1) Below 0 C  water is a solid at Standard Pressure.

2) 0 C to 100 C =  it is a liquid

3) A gas above 100 C is and becomes steam.

Hence, we conclude that water is the only possible compound  found on the earth which is found in the three different phases of earth .

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