First they don't use oxygen, plants use the CO2 in the air and release oxygen out into the air after the plant used up the CO2
Lol i dont know but i will still get points
Either trash cans aka bins or disposal places and dumps
They are called Ecologist. Ecologists are authority researchers who study environments and evaluate the decent variety, abundance, and conduct of the distinctive life forms inside them. These folks tend to work for government offices, natural trusts, protection foundations and research establishments.
