How is snow blindness caused in humans?</h2></div>

Ultraviolet radiations from sunlight causes a reaction that produce.</h2></div>

Depletion of ozone layer is mainly due to</h2></div>

What is important to support marine animals in water bodies?<span><br> </span></h2></div>

Water pollution can be identified by testing its</h2></div>

Which of the following waste contributes heavily to environmental pollution?

Which one is not dangerous for life and atmosphere?<br> </h2></div>

Which of the following would happen in the presence of greenhouse effect in the atmosphere?</h2></div>