In the Summer,the Heater on an Automobile Still Works Well,even

In the summer,the heater on an automobile still works well,even though you do not need it.This is because the heater in a car draws on surplus heat generated when gas is used to power the engine.This extra heat,wasted in the summer,is produced as a result of the

A) law of the conservation of momentum.
B) first law of thermodynamics.
C) law of inertia.
D) second law of thermodynamics.