Final answer:
The amount of energy, in the form of heat, required to raise the temperature of 1 liter of water 1 degree Celsius is called specific heat.
Step-by-step explanation:
The correct answer is c) Specific heat. Specific heat is the amount of energy required to raise the temperature of a particular substance by a specific amount. In this case, we are talking about water, so the specific heat of water is the amount of energy required to raise the temperature of 1 liter of water by 1 degree Celsius.