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Class 9ScienceNATURAL RESOURCESMix Example - NATURAL RESOURCES
Medium

The two forms of oxygen found in the atmosphere are

  • A
    ozone and oxygen
  • B
    water and oxygen
  • C
    water and ozone
  • D
    water and carbon-dioxide
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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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