Answers

2015-11-17T22:11:01+08:00
The three grand division of the earth are the crust, the mantle and the core.
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2015-11-18T12:47:19+08:00


the three layers of earth are

1. core- which is about 6250 km in thickness

2. mantle-  about 3600 km

3. crust which varies from 0-10 for oceanic crust and 35-70 for continental crust

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