Question

Warmer water contains ......... oxygen and hence ............ the biochemical oxygen demand (BOD)

(A) more, decreases

(B) less, increases

(C) sufficient, does not affect

(D) none of these​

Answer 1

Explanation:

a) more, decreases (is the answer)

Answer 2

Here is your answer,

Option B is correct.

Warm water holds less dissolved oxygen than cold water because the molecules are moving faster than in cold water and thereby allow oxygen to escape from the water. ... Therefore the warmer and

saltier the water, the less dissolved

oxygen it will contain.

I hope it will helps you.☺️