at 1 atm of pressure and a temperature of 0 degrees celsius, which phases of H2O can exist?
A.) ice only
B.) ice and water
C.) ice and water vapor
D.) water only
E.) not enough data to calculate

Respuesta :

B, because water is changing its state from solid to liquid (it's fusion in portuguese, don't know in english), so while it's changing, water has 2 states at the same time.