At normal atmospheric pressure and a temperature of 0°C,which phase(s)of H₂O can exist? A)ice and water B)ice and water vapor C)water only D)water vapor only E)ice only

Question

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At normal atmospheric pressure and a temperature of 0°C, water can exist in two phases, solid and liquid. The solid phase of water is ice, and the liquid phase is water. Since H₂O is another name for water, answer A is the correct choice. Water vapor, which is the gas phase of water, cannot exist at normal atmospheric pressure and a temperature of 0°C. And since ice and water are both possible, the answer cannot be C) water only, D) water vapor only, or E) ice only.

At Normal Atmospheric Pressure and a Temperature of 0°C,which Phase(s)of