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Class 8 Science Entry Tests: Certification Test 462

Human Activities and Ecosystem MCQs App & e-Book: MCQ 462

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MCQ: 462

A gas which is major gas in trapping heat and prevent it from escaping is

  1. oxygen
  2. ozone
  3. carbon dioxide
  4. nitrogen

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Human Activities and Ecosystem Entry Tests: Class 8 Science App & eBook MCQs

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Human Activities and Ecosystem MCQs App (iOS & Android)

Human Activities and Ecosystem MCQs App

8th Grade Science MCQs App (Android & iOS)

8th Grade Science MCQs App

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7th Grade Science MCQs App

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