under the earths crust in trees and everywhere you can think of pretty much
Oxygen is most commonly found in the air of Earths atmosphere.
Oxygen is most commonly found in trees and plants.
hydrogen is most commonly found as a part of water with oxygen.
burning with insufficient oxygen........
Oxygen and carbon
Oxygen, hydrogen, halogens
Very probable this element is oxygen.
Oxygen, hydrogen, halogens
In the Earth's atmosphere
In the element oxygen.
no, it is most commonly found as a compound
The chemistry of polonium is not known in details but I suppose that this element is oxygen.