Assertion: platypus's tail | /r/CapableOf | help with diving.2 fine fur
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text: It uses claws for burrowing and its webbed feet for swimming (the web, which extends beyond the claws, is folded under the palms when the platypus is on land), while its broad, flat tail helps with diving.2 Fine fur, made up of 900 hairs covering each square millimetre of skin has two layers—a woolly undercoat and shiny longer hair