Answer the following question: Fact 1: Friction causes an object to lose energy. Fact 2: Friction occurs when two substances rub together. Given the two facts above, answer the question "what causes an object to lose energy" with the following options: - wind and erosion - pressure differences. - refract or absorb. - heat is produced - electron transport - depress neuronal excitability - degrees Celsius - 2 substances rubbing together
Answer:
2 substances rubbing together