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NCERT Class 7 Geography: Chapter 4, Question Tick the correct answer Q.2(i)
Which of the following gases protects us from harmful sun rays?
(a) Carbon dioxide (b) Nitrogen (c) Ozone
✓ (c) Ozone
https://www.indcareer.com/schools/ncert-solutions-for-7th-class-geography-chapter-4-air/