Science, asked by nairukritu, 2 months ago

Green Mat appeared on the surface of ponds is harmful for aquatic life.Why?

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Answered by XxSilentAgent47xX
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Answer:

These tiny plants form a layer over the surface of a pond, blocking sunlight from entering the water. By keeping light from reaching algae in the water, dissolved oxygen concentrations are reduced, leading to the potential for fish kills. Water meal is a tiny, rootless green plant that reproduces quickly.

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