The oven's interior reflects heat onto the food. The oven's interior, like a lens, focuses heat onto the food. Water molecules in the food reflect energy from microwave radiation. Water molecules in the food absorb the energy of microwave radiation.
Which of the following describes how a microwave oven heats food?

Options:
- The oven's interior reflects heat onto the food.
- The oven's interior, like a lens, focuses heat onto the food.
- Water molecules in the food reflect energy from microwave radiation.
- Water molecules in the food absorb the energy of microwave radiation.

Water molecules in the food absorb the energy of microwave radiation.