Question

Why does only earth consist water in liquid form?​

Answer 1

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But most of Earth's water is deep underground: between one and ten times the volume of the oceans are contained in the mantle. At the surface of the Earth, “water” means two hydrogens for each oxygen (H20), whereas what we call “water” in the mantle corresponds to hydrogen incorporated in minerals, magmas and fluids.

Answer 2

Answer:

Earth is the only known planet to have bodies of liquid water on its surface. ... In our solar system, Earth orbits around the sun in an area called the habitable zone. The temperature, along with an ample amount of atmospheric pressure within this zone, allows water to be liquid for long periods of time.