Which of the following is the effect of high BOD?

Ozonosphere occurs at height of</h2></div>

The factor responsible for depletion of ozone layer is</h2></div>

How do ultraviolet rays coming from sun affect the living organisms?</h2></div>

What can be made using bio-degradable waste?

Drained sewage has B.O.D.</h2></div>

A lake with an inflow of domestic sewage, rich in organic waste, may result in<br> </h2></div>

Wastes may be sealed in concrete-filled drums and discharged to a depth of about 500 m. This specific statement is true …