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It had to. So yes in a way there always was oxygen. Because if there was no oxygen to would be just hydrogen in the air.
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∙ 13y ago
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What osmosis involves . both water and oxygen water but not oxygen oxygen but not water neither water nor oxygen?
Osmosis need not involve either.
Is water and oxygen a compound?
No. Water is a compound. Oxygen is an element. Oxygen dissolved in water forms a mixture.
Why is oxygen important to water?
Water nurtures the blood and oxygen plays a vita role in keeping you breathing.
What is the oxygen dissolved in water is a?
The oxygen dissolved in water is a measure of dissolved oxygen (DO).
How does oxygen get into water for fish to breathe?
Oxygen partially dissolves in water. Respiratory systems of aquatic animals are adapted to get this dissolved oxygen. They have gills for respiration.
Is there any oxygen in the deep sea?
As there is oxygen in water (H2o o=oxygen) , if there is water there is oxygen, so yes.
Water salt water oxygen and mineral water what has the lowest density?
Oxygen .
Are water and oxygen drugs?
No. Water and oxygen are essential substances.
Which is a compound oxygen sodium water or iron?
Water.
Are oxygen water drugs?
No. Water and oxygen are essential substances.
What is water divided by oxygen?
Water cannot be divided by oxygen.
When hydrogen and oxygen combine to form water oxygen is?
When hydrogen and oxygen combine to form water, water is a product of the reaction.
