As oxygen is a poisonous gas the more the is the more deadly it is to us.
Oxygen is used to help evolution and allows things to grow at a much quicker pace.
If there was to be more oxygen in the air you will see a lot more fires but if there is too little in the air humans and animals die which allow less air consumption and more oxygen.
So for your sake lets hope it stays around the 20 percent mark.
no 70 percent of all oxygen comes from algee and 100 percent of plants are decendant of algee
plants trees and grass all provide oxygen.
The functions of all flowers is to provide oxygen and a function of some of them is to provide fruits
They provide oxygen for all humans to breathe
Only the polarized sunglasses provide percent UVA and UV protection
Organisms that require oxygen depend on the oxygen in the air, which was put there by plants.
99.9%
There are infinitely many of them. It is not possible to provide an answer.
The lungs provide oxygen to cells by extracting oxygen from the air we breathe and delivering it to the blood. The blood then carries the oxygen to all cells in the body.
75% of all living matter is hydrogen and oxygen... :)
Blood serves a medium to provide oxygen to all parts of the body. Oxygen is required for normal bodily reactions to occur.
To provide oxygen and nutrients to all the cells of the body.