Water pollution can be caused due to:</h2></div>

Radioactive fall out contaminates</h2></div>

Example for a physical pollutant<span><br> </span></h2></div>

'Human activities' are playing main role in causing;<span><br> </span></h2></div>

What was the position of Delhi among the 41 most polluted cities of the world in the 1990s?

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

Select from the following, the substances, which have posed a threat to the environment:<br> Aerosols, consumers, …

Plants remove carbon in the form of<span>:</span></h2></div>