(wall-E) Why does a plant mean they can return to earth?

The planet is habitable

Explanation:

if a plant is grown on that planet that means air, that means people can still live on the planet, it means so much.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

enzyme speed up the reactions