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Earth & Geology
28 Facts About Volcanoes That Reveal How Alive Our Planet Really Is
Fact 1 of 284%
Over 80 percent of the Earth's surface originated from volcanic activity.
Fresh volcanic rock forming new land.
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Our very foundation was built by molten rock cooling over billions of years. Volcanic eruptions created the seafloors and the vast majority of our mountains.
"80% of Earth's surface is volcanic in origin."
Without this constant recycling of crust, our planet would likely be geologically dead and uninhabitable.
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