Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science MCQs – Certification Test 16

Water Treatment Quiz (Question 16) – Study App & e-Book Download

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MCQ: 16

The tanks that supply water to towns are built at

  1. roofs of buildings
  2. high towers
  3. town level
  4. high lands

Water Treatment Admission Tests – Class 7 Science App & e-Book Quiz

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