Briefly describe the earth's principal biological
systems,
Answers
Answer:
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 the raw material for the industry. ... Depletion of tropical forests has also led to the extinction of several species.
Explanation:
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Answer:
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 the raw material for the industry. ... Depletion of tropical forests has also led to the extinction of several species.
Explanation:
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