Gasoline, kerosene, and coal.
Yes it would get colder because people help people learn through experiences with no one to help teach the world would be a cold lifeless place.
Answer:
a) 
b) 
Explanation:
a)
Given:
amount of heat transfer occurred,
initial temperature of car, 
final temperature of car, 
We know that the change in entropy is given by:

(heat is transferred into the system of car)

b)
amount of heat transfer form the system of house,
initial temperature of house, 
final temperature of house, 



Nothing happens. The frequency is determined at the source,
and it doesn't change along the way.