Question

All the fish in the river and lakes die

Answer 1

Answer:

Fish kills occur when several contributory factors occur simultaneously such as prolonged cloudy weather, drought conditions, overcrowded fish populations, excessive algae or other plant growths and high water temperatures.

Explanation:

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Answer 2

Explanation:

Prolonged cloudy weather, drought conditions, overcrowded fish populations, excessive algal or other plant growths, and high water temperatures are the most common factors that combine to cause fish kills.