as we states that in water bodies and other sources of water there a mix of oxygen . so is there oxygen in drinking water

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Solution

Yes.

The water in a raindrop is one of the cleanest sources of water available. Rainwater can absorb gases such as carbon dioxide, oxygen, nitrogen dioxide, and sulfur dioxide from the atmosphere.
Oxygen gas is one of the most important elements collected from falling rainwater. This dissolved oxygen is not the same as the oxygen in the water molecule. Dissolved oxygen is present in all rainwater and surface supplies due to contact with the atmosphere. Living organisms in lakes, rivers, streams, and oceans need oxygen to survive therefore dissolved oxygen is essential in an aquatic environment but unfortunately it is not very abundant. While air consists of 21% oxygen, the oxygen content in water is only 0.001%.
Well waters usually contain smaller amounts of dissolved oxygen than surface supplies. In deep wells there may be a total absence of the gas.

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