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Posts tagged “volcanoes

Earth’s Tectonic Activity – Crucial for Life – Rare in Galaxy

Our planet is in constant flux. Tectonic plates—the large slabs of rock that divide Earth’s crust looks like a cracked eggshell—jostle about in fits and starts that continuously reshape our planet—and possibly foster life. These plates ram into one another, building mountains, then slide apart, giving birth to new oceans that will grow for hundreds [ Read More … ]