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

On what does the harmful effect of pollution depend on?

A rapid growth of photosynthetic algae in water develops 'bloom'. How would it affect the environment of water?</h2&g…

Name the city in our country where the entire public road transport runs on CNG.</h2></div>

What is e-waste?</h2></div>

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

Which of the following contributes the most towards deforestation?</h2></div>

"BOD is commonly calculated as an index of water pollution."<br> (a) Do you agree with this statement ? …