Class 7 Science MCQs (Grade 7) From Textbook
Class 7 Science Quiz App Free Download | Importance of Water e-Book PDF
Class 7 Science MCQs – Practice Test 7 (Chapter 13)
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The disease formed due to the drinking of water containing bacteria and viruses is known as
The soil and sand is settled at the bottom in
Crops grow well when they are
If we don't drink water, we will eventually
The largest ocean covers about
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