Question

What will happen if all plants perish from earth ?

Answer 1

Then we wont get enough oxygen .And we will all die including all the animals. And the earth would be a barren land.

Answer 2

if plants r no longer dere on earth all d living organsims ll extinct n d food chain ll be broken n all living organisms directly or indirectly depend on plants....n d most vital part of living ie oxygen ll not be dere