212k views
0 votes
Organisms on earth are
what-based life forms
oxygen
hydrogen
carbon

User Laugh
by
6.9k points

2 Answers

2 votes
Oxygen. You need it to survive.
User Animesh Kumar Paul
by
7.1k points
3 votes
I think that the answer is oxygen, oxygen plays a huge role in the evolution of organisms.
User PyNEwbie
by
6.9k points