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- Kapil
- Latest Answer: 1 month ago
- In: Arts & Humanities
What are the principal biological systems of the earth?
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1 Answers
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- Answered By Nikita Chetry
- Answer: 1 month ago
The four principal biological systems of Earth—forests, grasslands, croplands, and fisheries—are essential for providing food and raw materials for humans and industry.
Forests supply timber, paper...
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