Which element is cause of itai itai disease?</h2></div>

How pesticides, herbicides and fungicides are affecting the ecosystems? Explain about bioaccumulation and biomagnificati…

What is the acceleration in the natural aging process of the lake due to the release of effluents from the industries ca…

Multiple Choice Questions<br> BOD is a measure of<br> </h2></div>

Effect of today's radioactive fall out will be more on future children than on present-day children as</h2></di…

What is the reason for choking of the surface off any pond or lake?

The ultimate environmental hazard or the most outstanding danger for the survival of living beings on this planet is:&lt…

<span>What is the importance of oxygen in water for living organisms?</span></h2></div>