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Mahdi π©πΉ
@drmahdi
Shell is the hard shell of all mollusk animals, such as bivalves and gastropods, which have an external cover. The oyster shell is made of calcium carbonate or chitin Did you know this information about oysters?
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katayoon mo ππ₯πΉπ΅π©
@kati47
ooh so nice color π
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Mahdi π©πΉ
@drmahdi
Yeh ππ
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