Phosphate pollution is brought about by</h2></div>

Biochemical oxygen demand in a river water </h2></div>

Name the radiations from the Sun that are absorbed by ozone layer. Mention one harmful effect caused by them.</h2>…

Which materials are hard to remove from the polluted water?

Which act was passed to protect and improve the quality of our environment?

Greenhouse effect is due to the presence of</h2></div>

It is said that Taj is getting destroyed due to</h2></div>

What happens when higher energy ultraviolet radiations act on the oxygen at the higher level of the atmosphere?</h2&g…