Question

could life as we know it exist on earth if air contained only oxygen ?

Answer 1

Answer:

if in the earth if air contained only oxygen then it would not be possible to survive in the earth

Answer 2

Answer:

No, there will be no life on earth if air contained only oxygen because whole oxygen will be used by living organism in few years. only carbondioxide will be there on earth and we know continously breathing carbondioxide causes death.

Explanation: