1.Cecily, 6, asks: how do dolphins’ spouts (blowholes) work?

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2.Isabel, 7, asks: why do tumours grow teeth?

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3.Connie, 7, asks: why are reindeer called reindeer?

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4.Faaris, 8, asks: how do camels survive in the desert?

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5.Esme, 7, asks: how fast do clouds travel?

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Molly Oldfield hosts Everything Under the Sun, a podcast answering children’s questions. Do check out her books, Everything Under the Sun and Everything Under the Sun: Quiz Book, as well as her new title, Everything Under the Sun: All Around the World.