English, asked by hemantrajak2004, 14 days ago

(c) What are the Earth's four principal biological systems?​

Answers

Answered by jayantgandate
29

Answer:

Answer: The earth has four principal biological systems. These are: fisheries, forests, grasslands and croplands. They form the basis of the world's economic system.

Answered by Astitva3591
9

Answer:

The earth has four principal biological systems. These are: fisheries, forests, grasslands and croplands.

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