because the batteries conduct the electricity because the batteries supply the energy because the batteries produce light because the batteries produce heat
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Norma's flashlight was not working. She replaced the old batteries with new ones, and the flashlight turned on. Why did the flashlight work after she replaced the batteries?
Possibilities:
- because the batteries conduct the electricity
- because the batteries supply the energy
- because the batteries produce light
- because the batteries produce heat

because the batteries supply the energy