Which Feature Characterizes the Calorie (Cal)

Multiple Choice

Which feature characterizes the Calorie (Cal) ?

A) It equals 1 calorie.
B) It is 1,000 times less than the kilocalorie (kcal) and is typically only used by countries that use the metric system.
C) It can be written "calorie."
D) It is different from the standard unit of energy used by nutritionists.
E) It equals 1,000 times the amount of heat necessary to raise the temperature of 1 gram of water by 1°C at standard atmospheric pressure.