Gases in the atmosphere
- Created by: SelinaB
- Created on: 11-09-16 20:40
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Proportions of the main gases in the atmosphere.
The main gas is nitrogen. Oxygen - the gas that allows animals and plants to respire,…
Proportions of the main gases in the atmosphere.
The main gas is nitrogen. Oxygen - the gas that allows animals and plants to respire,…
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