The NOAA estimates that 50% to 80% of earth's oxygen is produced from the ocean.
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The Earth's crust is broken into plates that lie over the mantle. Because the mantle is hotter toward the interior and cooler toward the exterior, convection currents occur, which causes the plates to move above them. ... Volcanoes, earthquakes and mountain building or orogeny are found along plate boundaries.
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pluripotent i think sorry if I'm wrong
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its definitely c because the past ancestors of ours never layed eggs nor did dogs, plus we were never reptiles and lastly, dogs and humans are both mamals and give live birth so their more related than snakes and humans. hope this helped.
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the moon is apart of the tides
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