Question

the us customary unit of heat is

btu

joule

calorie

newton

Explanation:

• BTU (British Thermal Unit) is a unit of heat in the US customary system.
• Joule is the SI unit of energy (including heat).
• Calorie is also a unit of energy (commonly used in nutrition), but not the US - customary unit for heat in a general engineering/scientific sense in the US.
• Newton is a unit of force.

Answer:

BTU