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Yes, molecular oxygen makes up about 20% of the atmosphere at sea level.
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What part of body directly accepts oxygen from atmosphere?
colnus
What is the oxygen content of the atmosphere?
The atmosphere is 79.9% oxygen.
Why is oxygen such an important part of th Earth's atmosphere?
Oxygen is important because us humans have to breath and our brain have to function.
Why doesnt the moon have oxygen?
The moon has no oxygen because it has no atmosphere.
Do trees provide the most oxygen for the atmosphere?
Yes, trees do provide most of our oxygen for the atmosphere
What gas was not part of early earths atmosphere?
oxygen
Why is the environment essential in respiration?
The environment is what you live in. Part of the environment is the atmosphere and this contains Oxygen. In respiration you breath in the atmosphere and get the Oxygen you need from it.
Is it true that earth's atmosphere is composed of liquid oxygen?
The atmosphere of the Earth is a gas, not a liquid, and although it does contain oxygen, that is just one part of the atmosphere, which is mostly nitrogen.
Why is the atmosphere classed as an oxygen atmosphere?
Earth's atmosphere is mainly nitrogen, oxygen, carbon dioxide, and water vapor. Oxygen is the most reactive of these. Oxygen allows all of the life as we know it on earth. Even though oxygen is less than 1/4 of the atmosphere it is the most important part.
What part of body directly accepts oxygen from atmosphere?
colnus
What common gas was not part of Earth's original atmosphere?
Oxygen, now about 20% of the atmosphere, was not part of the original atmosphere of hthe Earth. It was produced by plants, after life developed.
Which part of human body accepts oxygen directly from the atmosphere?
Eye
Where is oxygen obtained for mammals?
Obtained by Earths atmosphere which is 20% Oxygen and processed by the aveoli (part of the lung).
Why is oxygen such an important part of the earth's atmosphere?
Oxygen is necessary for most organisms to carry out their life functions.
Has the amount of oxygen released into the atmosphere increased in recent years?
The amount of oxygen released into the atmosphere has not noticeably increased in recent years. The amount of oxygen (O2) in the atmosphere is about 21%. It is part of the earth's oxygen cycle, the main driver of which is photosynthesis. Vegetation removes carbon dioxide (CO2) from the atmosphere, releases the oxygen (O2) and stores the carbon (C).
Which part of the oxygen cycle can damage the ozone layer?
Oxygen cycle is at ground level. Ozone layer is in atmosphere.
Where does the oxygen needed for burning wood come from?
Oxygen is part of the mixture of gases we breath. Therefore, burning wood uses the oxygen in the atmosphere.
