Earth is the only planet known by us to support life.
Its Earth's twin and it has a 800 surface
Earth is unique in having liquid water at its surface.
As far as we know, the Earth is the only planet fit enough to support life.
Earth is the only planet currently known to have life.
Currently the earth is the most unique plantet known to man. This is because of me and you on this planet. Life causes it to be a unique planet.
The planet Earth is the only planet which we know to contain life. There may be others, but we have not found them yet. So for now, Earth is unique.
The Earth is unique because it is the only planet known to support life.
earth is supposedly the only planet that can sustain life and has oxygen
Earth is considered a very special planet, in that it is the only known planet which harbours life.
Saturns rings make it unique
it has life on it
It is the planet we live on