Scientists classify soil based on factors such as mineral content, texture, drainage capacity, and fertility. Globally, the 7 most common types of soil form the basis of farming and ecosystem balance: ...
Chapter 17 (Forests: Our Lifeline) of Class 7 Science NCERT Book (PDF) is available here for download in PDF format. Download now & prepare for CBSE Class 7 Science exam in academic session 2021-22.
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