Answer: C. clean with soap and water
Explanation: all the rest are unsanitary
The Answer is A: Someone who has the capability to guide others!
Answer is bottom front teeth
Reason
Firstly, this area is a difficult spot to clean, especially if the head of your toothbrush is bulky. It is very easy to skim over, leaving plaque behind. Also, there are saliva ducts present on the floor of the mouth, adjacent to these teeth, so saliva is continually bathing this area.
