![Krakatoa: The Day the World Exploded [August 27, 1883]](https://i.gr-assets.com/images/S/compressed.photo.goodreads.com/books/1407108467l/25017.jpg)
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Plate Tectonics
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Greenhouse gases, like carbon dioxide, absorb infrared energy and help warm the planet. So they're absolutely crucial. The problem is that their concentration in the atmosphere needs to be regulated as the sun slowly brightens. Otherwise, the Earth would not be able to stabilize its surface temperature, which would be disastrous.
Plate tectonics cycles fragments of the Earth's crust -- including limestone, which is made up of calcium, carbon dioxide, and oxygen atoms -- down into the mantle. Th
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― The Case for a Creator: A Journalist Investigates Scientific Evidence That Points Toward God
― The Case for a Creator: A Journalist Investigates Scientific Evidence That Points Toward God
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Volcanologists have a tendency to drift westward in the United States because that's where the action is tectonically. North and Central America occupy the western portion of a big slab of the earth's crust known as the North American plate, which is shaped roughly like an inverted triangle. The bottom of the triangle is in the middle of the Atlantic Ocean halfway between South America and Africa. The top two corners are north of Siberia and northwest of Greenland. This piece of the earth's crus
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