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Class 8 Science MCQs – Certification Test 231

Human Activities and Ecosystem MCQ (Question 231) – Learning App & e-Book Download

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MCQ: 231

If atmosphere is released with lots of pollutants it is

  1. pollution
  2. forestation
  3. deforestation
  4. habituation
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Human Activities and Ecosystem Exam Prep – Class 8 Science App & e-Book MCQ

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