1.

Fill in the blanks using the correct words.Harmful and undesirable substances that degrade the quality of air arecalled(pollutants/pollution)Gases that trap sunlight and increase the temperature of the Earth arecalledgases. (ultraviolet/greenhouse)3cause depletion of the ozone layer. (CFCS/Volcanoes)Oxides of sulphur andcan cause acid rain (Iron/nitrogen)​

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ANSWER:

POLLUTANTS is the CORRECT answer



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