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Class 8 Science MCQs – Certification Test 154

Human Activities and Ecosystem MCQs (Question 154) – App & e-Book Download

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MCQ 154: During decomposition of buried waste explosion can occur due to production of gas:

  1. oxygen
  2. methane
  3. carbon dioxide
  4. nitrogen
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Class 8 Science MCQs App & e-Book – Human Activities and Ecosystem Exam Prep

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Human Activities and Ecosystem MCQs App (iOS & Android)

Human Activities and Ecosystem MCQs App

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8th Grade Science MCQs App

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Earth Science MCQs App

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7th Grade Science MCQs App

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