Which of the following is a way to heat or cool a building without using electricity or another power source?
A.
Passive heating and cooling
B.
A tankless water heater
C.
An HVAC system
D.
A system of parallel HVAC units


Please select the best answer from the choices provided

A
B
C
D

Respuesta :

I believe the answer is: A. Passive heating and cooling.

Answer:

The answer is (A), Passive Heating and Cooling.

Explanation:

Hope this helps. Have a great evening/morning/night :D