trees give us oxygen and we give them carbon dioxide
Yes they are they give us paper and they give us oxygen
trees give us oxygen
Its their waste product.
Evergreens ... yes, a little. Desiduous trees, no.
They both give us oxygen.
No, because the plant and trees only give us oxygen.. Without them we will not be alive...
it cut down trees and trees give us oxygen
yes because the forest has trees and trees give us oxygen
trees take in our co2 and give out oxygen so cutting em down is bad for us.
Trees take in carbon dioxide (what we breathe out) and give out oxygen (what we breathe in), which is the way our gases are recycled and it also give us air.This guy is right.trees are important because they give us oxygen
Yes they are because they give us oxygen and give us new air to breath.