English, asked by hemalatha4261, 3 months ago

How many earth s pricipal biological systems are there name them

Answers

Answered by 119shivraj

Answer:

FISHERIES,FORESTS AND GRASSLAND

Explanation:

Answered by minviolet2312

There are four principal biological systems of the earth. These systems are fisheries, forests, grasslands and croplands. In addition to supplying our food, these four systems provide virtually all raw material for the industry.

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