plants (trees ,grass ,etc.) for oxygen ,water to drink and clean with ,and some type of food source
no because aliens uvaded the planet and ate it. :)
The planet Earth doesn't need life; and especially humans are a danger for the Earth.
O% because it is not a solid planet and it has no oxagen which you probably need.
We need to live on it! It is the only planet, that we know will sustain life.
Earth- We are the only planet that can support life.
Yes, there must be greenhouse gases in the atmosphere. Without a greenhouse effect the planet would be unable to sustain life. The greenhouse effect is required for life as we know it.
Earth is called a life sustaining planet because it has life on it, and is currently the only known planet that supports life.
Earth gave birth to life. Life exists on this planet.
I don't know, probably oxygen or for plants carbon dioxyde
to see if theres aliens, water, life, and many of other things.
No planet except the planet Earth is known to sustain life till date.
Yes! Life could be found on planet earth!