A piece of pizza can represent the earth's layers.
Cheese is the oceanic crust, the sauce is the asthenosphere, the toppings are the continental lithosphere, and the crust is the earth's crust.
Friday, April 19, 2013
Sunday, April 7, 2013
Water
Big overpopulated cities are that way because of their location. Water plays a large part historically because of trade between US and the British via ship. If I had a hundred dollars to represent the amount of water on the earth most of it would be in the oceans. About 9 cents would be rivers and lakes. about 6 dollars would be in glaciers.
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