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.
The chips are healthier
Reason: I looked at the picture
Answer:
it woudl take up to almost 365 days for the earth to rotate itself all aroudn
Explanation: