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As the third most abundant element, oxygen in the air is made by plants and algae.
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∙ 10y ago
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Why is compressed oxygen used instead of compressed air in space?
Oxygen is the component of air that we consume, so it must be continuously replaced as the astronauts breathe it. The the other components of air, mostly nitrogen, simply come from the initial air supply and do not need to be replaced.
How is oxygen replaced?
Oxygen is replaced with plants and photosynthesis. In photosynthesis plants take in carbon dioxide and expel oxygen. This is why having plants is important to sustain human life.
When zinc reacts with hydrochloric acid hydrogen is replaced by what?
hyddrogen replaced by oxygen because the zinc is an oxygen regents which reacts with H2
Why does the level of oxygen stay constant?
If you're talking about the level in the air, which I assume you are, it's because as we exhale, the oxygen we inhaled is replaced with carbon dioxide, which trees "breathe" in. Trees, or any plant, then releases oxygen after it completes photosynthesis with the carbon dioxide.
Why is the percentage of nitrogen the same as when you inhale air and exhale air?
Percent by volume. Nitrogen is almost insoluble in blood at normal pressures. Oxygen is replaced by carbon dioxide so % nitrogen stays the same.
Why is compressed oxygen used instead of compressed air in space?
Oxygen is the component of air that we consume, so it must be continuously replaced as the astronauts breathe it. The the other components of air, mostly nitrogen, simply come from the initial air supply and do not need to be replaced.
What type of hazard occurs when the oxygen occurs when air or blood is replaced by a different substance denying living organisms the oxygen they need?
asphyxiationasphyxiation
What type of hazard occures when the oxygen in the air or blood is replaced by a different substance denying living organisms the oxygen they need?
asphyxiationasphyxiation
How can carbon dioxide be removed from the air and replaced by oxygen gas in submarine?
They use a 'gas exchange system' - usually chemicals that split the carbon dioxide molecules into atoms of oxygen and carbon. The oxygen is recycled back into the air in the submarine, and the carbon is retained for disposal.
If both the idler air sensor and the oxygen sensor shows malfunctioning which should be replaced first on a ford contour 95?
First, change the oxygen sensor and the air filter. Clear the codes and see if the idler air sensor code comes back.
Is oxygen a air?
Oxygen is in the air.
How is oxygen replaced?
Oxygen is replaced with plants and photosynthesis. In photosynthesis plants take in carbon dioxide and expel oxygen. This is why having plants is important to sustain human life.
Is air pure oxygen?
No, there is 21% oxygen in air.
In our air is there mostly oxygen?
in our air is there mostly oxygen
When zinc reacts with hydrochloric acid hydrogen is replaced by what?
hyddrogen replaced by oxygen because the zinc is an oxygen regents which reacts with H2
Why does the level of oxygen stay constant?
If you're talking about the level in the air, which I assume you are, it's because as we exhale, the oxygen we inhaled is replaced with carbon dioxide, which trees "breathe" in. Trees, or any plant, then releases oxygen after it completes photosynthesis with the carbon dioxide.
Is oxygen part of the air?
No. Oxygen is an element that typically comes in the form of O2. Air is a mixture of gasses and Oxygen is just one of them. Air is about 21% oxygen and 78% nitrogen with another 1% being a variety of other gasses.
