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Ploughing was worth the effort because turning the soil makes it:
AHarder to water
BLighter in colour
CRicher for planting
DColder at night
Answer & Solution
Correct answer: C. Richer for planting
1. The blade brings buried nutrients up and buries residue.
2. Roots then reach a better-mixed soil.
3. Ploughing makes the soil richer for planting.
_Source: OpenStax Introduction to Anthropology, Chapter 7, Work, Life, Value: Economic Anthropology._
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