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Class 9ScienceNATURAL RESOURCESMix Example - NATURAL RESOURCES
Medium

The ozone layer is getting depleted because of:

  • A
    excessive use of automobiles
  • B
    excessive formation of industrial units
  • C
    excessive use of man-made compounds containing both fluorine and chlorine
  • D
    excessive deforestation
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Class 9 Questions

Class 9

Science Questions

Chapter

NATURAL RESOURCES

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Mix Example - NATURAL RESOURCES

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