Which portion of temperature-time graph showing heating of ice at -10°C to water at 100°C represent the change of state on heating

CBSE Class 9 CBSE Class 9 Science
1

Which portion of temperature-time graph showing heating of ice at -10°C to water at 100°C represent the change of state on heating.
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2

BC represents the change of state of ice from solid to liquid and DE represents the change of state of water from liquid to steam (gas).