Heighlight the importance of oxygen in our atmosphere.
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Answer:
About 21% of Earth's atmosphere is oxygen. ... Oxygen plays a critical role in respiration, the energy-producing chemistry that drives the metabolisms of most living things. We humans, along with many other creatures, need oxygen in the air we breathe to stay alive.
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Answer:
Oxygen is very important
Explanation:
Oxygen helps us break down glucose and make energy for surviving
Fire requires oxygen
most compounds are made out of oxygen
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