The answer is the dura meter
From single-celled ancestors, they evolved into a riot of complexity and diversity. An estimated seven million species of animals live on earth today, ranging from tubeworms at the bottom of the ocean to elephants lumbering across the African savanna.
<span>another name for divergent boundaries because seafloor spreading occurs here. ... long, narrow zone where one lithospheric plate descends beneath another.</span><span>
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