Question

A scientist was investigating why several fish caught from a local stream displayed similar mutations. He found that the water temperature of the stream was elevated since an industrial plant began discharging heated water into the stream. The scientist concluded that increased water temperature during the egg phase led to the mutation in the fish. According to this conclusion, the mutation was caused by

Answer 1

Answer: Increased water temperature caused by the industrial plant.

Explanation: this is explained in the text lol.

Answer 2

An Environmental Condition

Step-by-step explanation:

It explains in the text that it started when an electrical plant began discharging heated water into the stream.