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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

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This process takes one tectonic plate down beneath another.

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Your new ahaSubduction

Subducting slabs help return surface material to Earth's interior. Source: Subduction ↗

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More from Earth Science

A few more worth knowing.

  1. 13This long underwater mountain chain forms where tectonic plates spread apart.RECALL
    Mid-ocean ridge

    New oceanic crust forms there

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  2. 14Rock formed from cooled magma or lavaRECALL
    Igneous rock

    Granite and basalt are examples

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  3. 15Rock changed by heat and pressureRECALL
    Metamorphic rock

    Marble forms from limestone

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