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After nitrogen what is the most abundant gas in the atmosphere?
Oxygen is the second most abundant gas in Earth's atmosphere, making up about 21% of the air we breathe.
What is the main gas found in the air you breathe?
The air we breathe is: about 78% Nitrogen about 20% Oxygen about 1% Argon and the rest lots of other chemicals in tiny amounts.
Why do the air you breathe out contain no oxygen?
The air you breathe out contains less oxygen because your body extracts oxygen from the air when you breathe in and uses it during cellular respiration to produce energy. As a result, the air you breathe out has a higher concentration of carbon dioxide and less oxygen.
Is the air on mercuery breathable?
No, the atmosphere on Mercury is not breathable for humans. It is composed mainly of oxygen, sodium, hydrogen, helium, and potassium, with very little oxygen for humans to breathe.
What percent of gases does the air you breathe out contain?
The air you breathe out contains around 16% oxygen and 4% carbon dioxide, with the remaining percentage made up of nitrogen, water vapor, and other trace gases.
What percentage of the air around us is oxygen?
The percentage of oxygen in the atmosphere is 20.75%. The atmosphere has many other elements that we breathe in besides oxygen. Oxygen needs to be present for life on earth.
What percentage of the air you breathe oxygen?
Around 21% of the air you breathe is oxygen.
Why is it harder to breathe he higher you go?
Because - the higher up the atmosphere you go - the less oxygen is in the air you breathe. Our bodies need a certain percentage of the air we breathe to be Oxygen - reduce the amount of oxygen in each breath, and it soon affects the body.
Oxygen composes approximately what percentage of air we breathe?
21%
Oxygen composes what percentage of the air we breathe?
21%
What percentage of oxygen do you breath from the air?
100%. All of the oxygen that I breathe comes from the air! The answer that you were probably after, but did not ask, was about the percentage of oxygen in the air that we breathe. The questions may sound similar but they are not the same. The answer is a little over 20%.
Oxygen composes approximately what percentage of the air you breathe?
Oxygen makes up about 21% of the air we breathe. The majority of the air is composed of nitrogen (about 78%).
How much of the air you breathe out is oxygen?
Around 16% of the air you breathe out is oxygen. This percentage decreases from the 21% of oxygen in the air you inhale due to the exchange of gases that occurs during respiration.
What do you breathe in and what do you breathe out?
Oxygen in, Carbon Dioxide out.Another answerBreathing breathes in the atmosphere: not the whole atmosphere obviously, but its composition. Breathing in occurs because of the necessity of oxygen-entrance and breathing out occurs because of the necessity of carbon dioxide-exit.The air consists of 79% nitrogen and 21% oxygen and 0.04% carbon dioxide and equally tiny percentages of other gases. We breathe in this 79% nitrogen and breathe out an equal percentage. We breathe in 21% oxygen and breathe out 16% oxygen. We breathe in 0.04% carbon dioxide and breathe out 4-5% carbon dioxide.
What percentage of the air you breath is made up of oxygen?
Approximately 21% of the air we breathe is made up of oxygen.
How do you define air?
Air is the mixture of gases in our atmosphere that we breathe. I.E. Oxygen, Hydrogen, etc.
What these is a component of the Earth's atmosphere?
Oxygen is a component of the Earth's atmosphere. It makes up about 21% of the air we breathe.
