There would be an immediate lift in the continental rock elevation, because of the weight of ice removed, and then a very slow and gradual continued rise. This is called isostatic rebound.
What would happen next if sagebrush is disappeared frrom a desert?
You would die.
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.
there wouldn't be any tourists in Antarctica
life would follow
Animals will die
Nothing.
They're populatioon would grow rapidly