Seudónimo Seudónimo

08-06-2017
Chemistry

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does the percentage of oxygen in the air decrease as altitude increases

PLZ HELP ASAP 20pts

Respuesta :

Аноним Аноним

18-06-2017

Yes it does. The higher up in the air you go, the harder it is to breathe. That is why it is hard to climb mountains.

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