Air pollution can be ___</h2></div>

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

Give two ways in which we can all helps to reduce global warming. Write a catchy slogan to create awareness about it.&lt…

Ozone exists in earth stratosphere and is responsible for protecting humans from harmful _______.</h2></div>

Which of the following causes mutations at a very high rate?

The maximum in daytime surface temperature typically occurs _____________ the earth receives its most intense solar radi…

What are the effects of ultraviolet radiations on humans?<br> </h2></div>

40 to 50% depletion in ozone layer occurs in the .......... polar region</h2></div>