What are pollutants?
A substance released into the environment due to natural or human activity which adversely affects the environment is called pollutant. e.g. sulphur-dioxide, carbon-monoxide, lead, mercury, etc.
Answer the following.A. What is pollution ?B. What are pollutants ?C. What is acid rain ?D. What is green house effect ?E. Which are visible pollutants known to you ?F. Which are invisible pollutants ?
What are water pollutants? [2 MARKS]
What are chlorofluorocarbons? Why are they considered as air pollutants?