Question: Fact 1: Energy is used for heating a building by a heating system. Fact 2: Geothermal energy is used for heating and cooling systems. Given the two facts above, answer the question "What is a way to heat a building?" with the following options: - sound - Movement of an air mass - burning coal - static electricity - In the winter - potential energy - by indirect light - geothermal energy
Answer:
geothermal energy