Because of gravity
Only one of Neptune's moons.
The Earth is one planet that has water on it.
Mars has water in the form of ice, and as water vapor in its atmosphere like the earth.
Earth is the wettest known planet. It is the only planet known to have liquid water. The only other planet with any form of water is Mars with ice on one of the poles.
The question seems poorly worded, but Earth is the planet with liquid water on its surface.
Definitely. Out of every planet in our Solar System, Earth is the only one with liquid water on its surface.
The one closer to you...
No. It's constantly happening. A cloud is evaporated water and causes rainfall. At one point on the planet, water is evaporating and becoming clouds, while at the other side of the planet it's pouring down.
Earth is the only known planet to have oceans of liquid water.
Mercury.
earth is the only KNOWN planet with liquid H2O
Jupiter is the one with the vapor atmosphere