Ice begins to melt when its temperature exceeds 0 degrees Celsius and hydrogen bonds between water molecules break .
(Ice; begins; ) (Ice; to melt; T:when its temperature exceeds 0 degrees Celsius and hydrogen bonds between water molecules break) (its temperature; exceeds break; 0 degrees Celsius and hydrogen bonds between water molecules)
Ice Ice its temperature
begins to melt exceeds break
T:when its temperature exceeds 0 degrees Celsius and hydrogen bonds between water molecules break
0 degrees Celsius and hydrogen bonds between water molecules