Water in the upper zones of the ocean will have more oxygen than water in deeper zones.

Is This A True Or False Question?

True.

Explanation:

Water bodies tends to have high temperature at the surface as the water is rich in oxygen and the rays of the sun comes in contact with the layer bodies thus the upper layers have a good and rich supply of nutrient and the water bodies that are found at deeper ends are low in oxygen content and thus  have water creature that adapted to dark and cold waters.

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