You would die.
What would happen next if sagebrush is disappeared frrom a desert?
You would die.
if the oxygen
Everything would die
There would be no bees to pollenate the flowers.
This cannot possibly happen, so asking what would happen if it did happen is an exercise in stupidity.
life would follow
They're populatioon would grow rapidly
know one knows. because we would all be frozen.
they may not have food
Flowers and plants would not be pollenated and they would die.
people would get ill and sick