Increasing skin cancer and high mutation rate are the result of _______________.</h2></div>

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

Sr-90 causes<span><br> </span></h2></div>

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

How does bioaccumulation occur?</h2></div>

High concentration of greenhouse gases has resulted in maximum rise of atmospheric temperature in </h2>&l…

What is the excess growth of plankton in water due to the presence of nutrients called?

Which country produces the most e-waste per year?</h2></div>