The British Thermal Unit (Btu) Is the Heat That, When

Multiple Choice

The British thermal unit (Btu) is the heat that, when applied to

A) 1 pound of water, raises its temperature by 1 degree Fahrenheit.
B) 1 pound of water, raises its temperature by 1 degree Celsius.
C) 1 kilogram of water, raises its temperature by 1 degree Celsius.
D) 1 kilogram of water, raises its temperature by 1 degree Fahrenheit.