Internal Conflict: the psychological struggle within the mind of a literary or dramatic character, the resolution of which creates the plot's <span>suspense.
External Conflict: the </span>struggle between a literary or dramatic character and an outside forcesuch as nature or another character, which drives the dramatic actionof the <span>plot</span>
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.
You normally hold them by their scruff but it really depends if the animal is being aggressive or not
That would have to be ivan pavlov because b.f. skinner was the man who taught behavioral sciences.