it is needed for many chemical processes in the body
Oxygen is the most common element in Earth's atmosphere after nitrogen.
The two Earth regions where oxygen is the second most abundant element by volume are the Earth's crust, after silicon, and the Earth's atmosphere, after nitrogen.
Oxygen is an element. it is not a compound.
The chemical symbol "O" represents the element oxygen. Oxygen is a highly reactive non-metal that is essential for life and is the most abundant element in the Earth's crust.
Oxygen is an element commonly found in the Earth's atmosphere and essential for supporting life.
Oxygen is the most abundant element in Earth's crust.
Oxygen is the most common and abundant element in the Earth's crust having 47% of the mass.
Oxygen is the most common element in the crust.
This element is oxygen.
oxygen
oxygen
Hydrogen is the most abundant element found on Earth. Other abundant elements include helium, and oxygen, as well as silicon.
Oxygen is the most abundant element in the earth's crust.
The most abundant element on (and in) earth is iron.
Oxygen is the most common element in Earth's atmosphere after nitrogen.
This element is oxygen.
Oxygen