Wednesday
August 20, 2014

Homework Help: geology

Posted by student01 on Wednesday, September 3, 2008 at 4:46pm.

1. What fraction of the Earth is made up of each of the major compositional layers: core, mantle, and crust?

2. What cities lie the same distance from our town as the boundaries of the following layers in the Earth lie from the solid surface?

a. Base of oceanic crust or top of the mantle under the ocean.
b. Base of the sub-oceanic lithosphere or top of the aesthenosphere beneath oceanic crust.
c. Base of the aesthenosphere or top of the mesosphere.

****so for this I would convert oceanic crust, lithosphere, and asthenosphere into miles. Then find a map and find the closest cities?
I'm just a little fuzzy on what to convert because of the whole base of and top of wordings.

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