Black soil holds moisture well because it is made of extremely fine:
ASand grains
BGravel pieces
CHumus layers
DClayey material
Answer & Solution
Correct answer: D. Clayey material
1. Fine particles pack closely.
2. They trap water between them.
3. Black soil is clayey.
_Source: NCERT Class 10 Geography, Contemporary India II, Chapter 1, Resources and Development._
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