An electrostatic precipitator in a thermal power plant is not able to generate high voltage of several thousands. Write …

Who introduced the concept of organic farming?<br> </h2></div>

What is ozone? What is its function in the environment? What emissions from human activities lead to ozone depletion?&lt…

Which of the following is the main factor of water pollution?</h2></div>

What is greenhouse effect?</h2></div>

<span>Name any two water pollutants which are toxic for plants and animals.</span></h2></div>

Electronic devices which are reused or discarded are called </h2></div>

The pesticides used in organic farming are<br> </h2></div>