In case of aqueous solution which of the following mathematical formula holds good?

How are the traces of organic compounds removed from the soil?

In a flowing stream, the breakdown of degradable wastes by bacteria ____ dissolved oxygen.

The quality of the fish habitat begins to increase when the dissolved oxygen concentration drops below 4 or 5 mg L-1.

What is stoichiometry?

Flowing water bodies recover rapidly.

Which of these do not relate the mass transfer coefficient and diffusion coefficient?

Waste water is injected into the ground between impermeable layers of rocks to avoid polluting fresh water supplies.