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Oxygen's highest level is 100%. Oxygen's lowest level would be 20%.
I would say the air has the highest level of oxygen but it depends how high up you are.
yes
gurl they aint no oxygen in they atmposphere
Plants
What are the permissible levels of Oxygen can a Human consume? What are the permissible levels of Oxygen can a Human consume? What are the permissible levels of Oxygen can a Human consume?
Oxygen levels will be decreased.
respiratory system
Its ALL from plants.
Lack of oxygen
The leaf and stem epidermis is covered in stomata, or pores. The stomacomplex regulates gas and water exchange in the leaf.
When oxygen levels in water get low... When algae takes over a lake. The oxygen levels will get low.