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Around 21% of Earth's atmosphere is oxygen, but only a small percentage is needed to support human life. Concentrations above 35% oxygen can be toxic and increase the risk of fires.

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2y ago

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Related Questions

What percent of oxygen to much to support life?

The percent of oxygen is 27. this increases the natural percent of 21 by 6 percent causing living organisms to have too much oxygen.


What are the chemistry symbols for oxygen and water?

The atomic symbol for oxygen is O. The chemistry symbol for water is H2O. Water covers about 70 percent of our planet & is needed to support life. Without it, we would not exist.


How many percent of oxygen need to support fire?

Around 16% of oxygen in the air is needed to support fire. This level is known as the minimum oxygen concentration required for combustion.


Can the moon support life for penguins?

No, there is no oxygen for them.


What is the percent of the Milky Way supporting life?

yes the milky way can support life, but it can't support life too long.


What term is used to describe water with too little oxygen to support life?

Hypoxia is the term used to describe water with too little oxygen to support life.


Can the moon support life?

no the moon cannot support life because it has little oxygen so nothing could live there


What are the two key substances that support life?

water and oxygen


What three thing does the earth have?

Life, Oceans and a high percent of oxygen in the atmosphere


How would life on earth be different if the atmosphere were eighty percent oxygen?

help


How would life be different if there was 80 percent oxygen and 20 percent nitrogen?

The atmosphere would be much more volatile.


Can support life?

Saturn can't support life because it has no oxygen and has poisonous gases in which no life can survive. ---- Plus the pressure is a lot greater than ours

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