Which of the following is NOT a source of dissolved oxygen in the water? Ahumans going underwater and exhaling
Bdiffusion from the atmosphere
C aeration as water moves over rocks and debris, and from wind and waves
D photosynthesis of aquatic plants plz answer quick

A. humans going underwater and exhaling

Explanation:

The dissolved oxygen in water refers to the amount of oxygen that is found in water. However, there are various ways that oxygen dissolves in a body of water, these includes;

- Photosynthesis of aquatic plants: Oxygen is the waste product of the photosynthetic process carried out by green plants. Hence, when aquatic plants undergo photosynthesis, oxygen from them tend to dissolve into water.

- Diffusion from the atmosphere: Oxygen from air or atmosphere also dissolves in water

- aeration as water moves over rocks and debris, and from wind and waves

However, humans do not exhale oxygen but carbon dioxide, hence, it is not a source of dissolved oxygen

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explanation:

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its temperature is increasing. this causes molecular vibrations to increase.