CTET 2 Social and Science 21 Dec 2021 Paper

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Question : 77 of 150

Marks: +1, -0

Which example is inappropriate for developing the concept of Air pollution?

Use of few newspaper cuttings on the visibility of Himalayas from various places in India
Details of increase in the number of sparrows
Discussion on use of polythene bags in local stores
A 30 day date of air quality index

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