how do I get from chozo ruins or chozodia to crateria?
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If I understand you correctly, head for the glass tube that connects the Pirate ship with Chozo ruins. Place a power bomb in the tube, and it'll break. There's a path to Crateria from there.
(Also, there's a help topic if you need help in the future.)
(Also, there's a help topic if you need help in the future.)