Question

a river with high dissolved oxygen is​

Answer 1

Answer:

it will depends on the temperature of the water

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Answer 2

Answer:

good for aquatic life

Explanation:

There are several factors that can affect this. Aquatic respiration and decomposition lower dissolved oxygen  concentrations, while rapid aeration and photosynthesis can contribute to supersaturation. During the process of photosynthesis.

This adds to the dissolved oxygen concentration in the water, potentially bringing it above 100% saturation. In addition, the equalization of water is a slow process.

This means that dissolved oxygen levels can easily be more than 100% air saturation during the day in photosynthetically active bodies of water.