/u/Berkamin's posts
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Is Vitamin D made the same way in all animals? How do the mammals who are covered in fur get their vitamin D if they don't get sun exposure on their skin?
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How do animals that don't get much sun exposure on their skin (such as cats and dogs and rabbits) produce vitamin D?
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What is it about Mercury that causes it to remain liquid down to -38˚whereas all other metal remain solid?
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