The atmosphere we breathe contains 21% oxygen 78% Nitrogen and 1% Other gases such as argon.
Plants produce oxygen through photosynthesis. Plants breathe in carbon dioxide from people and release oxygen for people to breathe and live.
People breathe in oxygen and breathe out carbon dioxide. Oxygen is necessary for cellular respiration and provides energy to the body, while carbon dioxide is a waste product of this process that is expelled from the body.
Why do people breathe ? Plants need oxygen too .
no oxygen is what people need to breathe in.
No. Monoatimc oxygen is chemically unstable and is too reactive for people to breathe it safely.
Humans breathe in oxygen and breathe out carbon dioxide. Trees "breathe" out oxygen.
The reason you cant breathe under water is because people is made to breathe oxygen, water composes oxygen.
Air: 78% nitrogen, 21% oxygen, 1% other. We breathe oxygen and other molecules.
People breathe in oxygen, which is essential for their cells to produce energy. They breathe out carbon dioxide, a waste product created by the body's metabolism.
Yes, John Smith is a person, and like all people, he needs to breathe oxygen to survive. This is a basic biological need for all humans.
Oxygen
You breathe in oxygen.