earth is the only planet with water, and is the only planet to sustain life
but they are looking at mars because it is said to be another planet besides earth that may be able to obtain life
mars
The most common unique about earth to other planets is that Earth have life.
Earths atmospheric size and composition is unique among all of the planets.
no
Hydrosphere.
Hydrosphere.
it is unique because we can drink from it
All planets rotate. Even earth.
No, all the planets, including the Earth, orbit the Sun.
because the earth contains soil
Earth is the only planet known to have life on it.
Some unique things about Mars include that it gets its red color from iron oxide. This planet has the largest mountain of all the planets and it is half the size of Earth.