All you need for life forms (most simple forms) is amino acids. They have actually been created by scientists.
All are needed for life processes.
it's half life
i think that's a vacuole
Oxygen and hydrogen, because they are used for water, which is needed for all life as we know it.
it turns CO2 (which we cant breath in) into Oxygen. Then we breathe out CO2
In science a "cell" is the smallest thing that can do everything needed for life.
Life.
Needed
Life cannot exist on Mercury.
name three reasons water is needed for life on earth
Water
because everything need energy in its life
Oxygen
Oxygen
air
air
Water :)