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Stories about: heat convection

Earth's Inner Workings More Complicated than Previously Thought The previous model regarding Earth's interior put things very simply. The Earth is made up of several distinct layers sitting on top of each other. The first and outermost layer is the crust, spanning over 25 kilometers towards the center of the planet. Next comes the mantle, a thick, dense layer of silicate roc... 5 May 2008 09:48 GMT