What can be made using bio-degradable waste?

Which compounds are responsible for the depletion of ozone layer?</h2></div>

What is the main source of water pollution in India?</h2></div>

'HCFCs' can be used in refrigerants instead of<span><br> </span></h2></div>

What are the agents that bring about such an undesirable change (pollution) are called?

About how much in used or unwanted electronic items accumulates every year nationwide?</h2></div>

<span>Write two ways for disposal of e-waste.</span></h2></div>

Which of the following is a correct statement?</h2></div>