Ozone day is celebrated on:

Which one of the following is the major cause of ozone layer degradation?

What is the primary cause of acid rain?

Which of the following is a major cause of air pollution ?

With reference to 'Ozone layer', which of the following statements is/are correct? 1. Ozone layer shields the surface of the earth from the ultra-violet radiations from the Sun. 2. Ozone depletion ha…

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A) : CO₂, SO, and NO, gases get dissolved in rain water and produce acid rain. Reason (R) : At…