Our website is made possible by displaying online advertisements to our visitors. Please consider supporting us by whitelisting our website.

The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is______________?

/ Environmental Engineering / By
The minimum dissolved oxygen which should always be present in water in order to save the aquatic life is______________?

A. 1 ppm
B. 4 ppm
C. 10 ppm
D. 40 ppm