The temperature and pressure at which ice,liquid water,and water vapour can exist together are:

  • A
    $0\,^\circ C, 1\, atm$
  • B
    $2\,^\circ C, 4.7\, atm$
  • C
    $0.01\,^\circ C, 4.58\, mm \, Hg$
  • D
    $-2\,^\circ C, 4.7\, mm \, Hg$

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