English, asked by nandynandu, 2 months ago

6.
Dissolved oxygen in streams

Answers

Answered by LoveLearning3012

Answer:

Oxygen enters a stream mainly from the atmosphere and, in areas where groundwater discharge into streams is a large portion of streamflow, from groundwater discharge. This dissolved oxygen is breathed by fish and zooplankton and is needed by them to survive.

Answered by sitanshusahoo1712

Answer:

Dissolved oxygen gets into the water by diffusion from the atmosphere, aeration of the water as it tumbles over falls and rapids, and as a waste product of photosynthesis.

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