Question

Water pollution of a river is measured by_______
A) Amount of chlorine dissolve in water
B) Amount of Ozone dissolve in water
C) Amount of nitrogen dissolve in water
D) Amount of oxygen dissolve in water

Answer 1

Hi there ,

Here is your answer

D:- oxygen

Hope it helps

^_^

Answer 2

Water pollution of a river is measured by_______

A) Amount of chlorine dissolve in water

B) Amount of Ozone dissolve in water

C) Amount of nitrogen dissolve in water

D) Amount of oxygen dissolve in water

➔ Water pollution of a river is measured by Amount of oxygen dissolve in water.