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 is commonly found in a gaseous state in our atmosphere.
Oxygen and carbon
Oxygen, hydrogen, halogens
Very probable this element is oxygen.
Oxygen, hydrogen, halogens
under the earths crust in trees and everywhere you can think of pretty much
In the Earth's atmosphere
One is silicon, but I don't know the other:(oxygen
In the element oxygen.