Write a short note on radioactive waste.<br> </h2></div>

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

Deforestation generally decreases </h2></div>

Which of the following does not affect ozone layer ?</h2></div>

An important product in the ozone depletion by chlorofluorocarbons is:</h2></div>

Sewage water is purified for recycling by the action of:</h2></div>

<span>The garbage or trash collected regularly is known as</span></h2></div>

________ is e-waste.<br> </h2></div>