Answer:
What makes source strong or weak?
The strength of a source depends upon two things generally. (1) The subject being addressed. (2) The expertise of a specific person regarding that subject. ... An example of a “weak” source would be when a person is found publishing a personal opinion as though it were representative of a fact or truth.
1. Strong
2 weak ( Most people even teachers say you can't trust wikipedia so this why i said weak)
3 weak