user image

Rainbow Rainbow

Class 10th
Maths
2 years ago

Q344. The Optimum dissolved oxygen level (in mg/litre) required for survival Of aquatic organisms is : (a) 4-6 (b) 2-4 (c) 8-10 (d) 12- 16

user image

Dileep Vishwakarma

2 years ago

The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is. 4-6.

Recent Doubts

Close [x]