What is the amount of heat needed to raise the temperature of 1 kilogram of water 1 degree celsius.

1 calorie will raise the temperature of 1 gram of water 1 degree Celsius. 
1 Calorie will raise the temperature of 1 Kg of water 1 degree C 

Calorie is 1000 calories or a Kilocalorie, Kcal 

Kcal or Calorie is the unit used to measure the energy in food.

D: grilled garlic bread, which takes 5 minutes