Geography, asked by mishrashubhangi883, 7 months ago

State the importance of oxygen and nitrogen for us.

Answers

Answered by annette7

1

Answer:

Oxygen makes up only 20% of the air around us, but it is the reason we need to breathe. When we inhale, oxygen gets into our lungs, then it diffuses into the blood and reacts with red blood cells to produce energy. Energy is vital in every thing we do. The second reason oxygen is so important is that oxygen combines with hydrogen to make water.

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