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阅读理解After photographer Monni Must's daughter Miya died, the sad motheradopted her black dog, Billy Bean. As Billy became increasingly weak, thethought of its dying was just more than Must could handle. So she decided toclone the dog. “I feared everyone was going to forget Miya, she said, andmy other daughters thought I had completely lost my mind.Billy's cells were shipped to ViaGen Pets, a Texas company that providesthe cloning service. With more than $50,000, Must picked up a new puppy. Thedog has a real soul and is everything my daughter was—fun, social and kind,she said. I feel19．一块质量为90g的冰熔化成水，体积减小（“增大”或“减小”）了10cm3．（ρ冰=0.9×103kg/m3，ρ水=103kg/m3  ）