What is the main factor of sharply dropping the amount of ozone in the atmosphere?<br> </h2></div>

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

Explain the following.<br> (i) Salination <br> (ii) Ozone hole <br> (iii) Pollution<br> (iv) Sec…

Which of the following is an effect of the high dose of UV-B?

Excess of carbon dioxide in the atmosphere leads to </h2></div>

Which is not correct approach to reduce global warming?</h2></div>

What is ozone? What is its function in the environment? What emissions from human activities lead to ozone depletion?&lt…

Most abundant water pollutant is</h2></div>