Finish the following sentence with the best choice: To make a sponge last longer by killing the germs in it.

Choices:
- Clean the sponge in the microwave. Make sure the sponge is wet and microwave on high for one minute to kill bacteria.
- Clean the sponge in the microwave. Make sure the sponge is dry and microwave on high for one hour to kill bacteria.

Answer:
Clean the sponge in the microwave. Make sure the sponge is wet and microwave on high for one minute to kill bacteria.