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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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Human Activities and Ecosystem Exam Prep – Class 8 Science App & e-Book MCQs

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