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Coco Coco
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6 years ago

Diatoms flourished during the Miocene, likely because increased volcanism meant oceans were enriched in the
  element ____________________, which diatoms use to build their skeletons. Fill in the blank(s) with the appropriate word(s).

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wrote...
6 years ago

silica
silicon

Coco Author
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6 years ago
Easily the best answer Grinning Face with Smiling Eyes
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