What are the earth's principal biological systems?
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Answered by
163
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Answer :
There are four principal biological systems of the earth. They are fisheries, forests,grasslands and croplands.
They form the foundation of the Global economic system. They supply us food. They all provide all the raw materials for industry accept minerals.
Human demands on these systems are increasing to a point where there productivity is impaired .
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Answer :
There are four principal biological systems of the earth. They are fisheries, forests,grasslands and croplands.
They form the foundation of the Global economic system. They supply us food. They all provide all the raw materials for industry accept minerals.
Human demands on these systems are increasing to a point where there productivity is impaired .
❤❤❤❤❤
Answered by
25
Answer:The earth is four principal biological system. They are forest, fisheries, grasslands and croplands. The foundation of the world economy. They supply food for us. It all row material for indstry. But sadly they are depleted. Soon their will be nothing to left use. The forest are cut to the firewood. Over fishing is common. The dunk is natural manual. But they are burnt by the poor for these cooking. The increase population is also big factor. The salon source is depleted the earth biological system. In serious way.
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