Download Class 7 Science MCQs App Download | Importance of Water e-Book PDF
Class 7 Science Competitive Exam: Practice Test 21 (Chapter 13)
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The Importance of water Multiple Choice Questions (MCQs) with Answers PDF (Importance of Water MCQs PDF e-Book) download Ch. 13-21 to study Class 7 Science Course. Learn Importance of Water Quiz Questions and Answers to learn e-learning courses. The Class 7 Science MCQs App Download: Free Importance of Water App for crops and irrigation, sewage system, water treatment, safe and drinking water test prep for distance education.
The MCQ: Water supply through pipelines and tube wells to farm is known as; "Importance of Water" App Download [Free] with answers: hydration, fertilization, irrigation, and pollination to learn e-learning courses. Solve Crops and Irrigation MCQ Questions, download Google eBook (Free Sample) for online elementary school classes.
Water supply through pipelines and tube wells to farm is known as
The waste water from houses, buildings and other areas is called
Chlorine helps
The remains of salt over the soil after evaporation of water is known as
Litters such as plastic bags are harmful for
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