What would happen if all the decomposers were eliminated from the earth? Explain.</h2></div>

Solid waste serve as useful resource for providing energy for our industries.</h2></div>

  <span>Which among the following is a major cause of water pollution?</span></h2>&l…

BOD stands for</h2></div>

Where is a good ozone present? Why is it called so?</h2></div>

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

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

Which one of the following agro-chemical waste is sprayed on plants to increase their growth?