Match List- I with List- II select the correct answer using the codes given below : List-I A. Skin Cancer B. Noise Pollution C. Global Warming D. Ozone Hole List- II 1. Chlorofluorocarbons 2. Ultraviolet light 3. Decibel 4. Carbon dioxide

The relative contributions of carbon dioxide (CO₂), nitrous oxide (N₂O), chlorofluorocarbons (CFCs) and methane (CH₄) towards global warming are :

Mercury is a toxic substance that severely contaminates land, water, air and the food chain. Which among the following is source of mercury pollution?

The use of plastics has led to a number of environment-related problems. For this, which one of the following statements is correct?

Ozone layer of upper atmosphere is being destroyed by which of the following?

Which gas contributes to global warming through its greenhouse effect?