it would take about 27 trees to produce enough oxygen for one person.
Yeast cells are alive. However, it takes in oxygen in the form of glucose. yeast + glucose -> alcohol + CO2 We know that yeast cells are alive because it produces wastes (alcohol and carbon dioxide) and they reproduce.
oxygen
The two things produces by plants that would be important to keep astronauts alive on a long journey would be glucose and oxygen. Oxygen is most important.
No, they can't. Dead people do not need oxygen or air to remain alive.
No. Oxygen is not alive.
Oxygen. It is necessary for the body to produce energy through cellular respiration, which is essential for human survival.
with oxygen you can make everyone on our little planet stay alive as oxygen is what we breath in to keep us alive
They both are alive.
You need to breathe oxygen to stay alive. Oxygen is essential for the process of respiration, where your body cells convert oxygen into energy.
Yes, they produce large amounts of oxygen to keep life on groud alive.
oxygen, blood supply,nerve pulsator
The reason you cant breathe under water is because people is made to breathe oxygen, water composes oxygen.