Climate Compass on MSN
What Are The Layers Of Earth Made Of - Explained By Earth Scientists
Understanding Earth's Crust Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost ...
(via PBS Space Time) Big things are made of smaller things, and those smaller things are made of smaller things still. That’s reductionism in a nutshell, and digging our way to the smallest layer has ...
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