Janet was surprised to find out that her gynecologist, Dr. Herring, was good friends with her tennis partner, Sally. Janet met Sally years ago in graduate school, while Dr. Herring knows Sally from the church. The nature of each one's relationship to Sally is what sociologists call a(n)

The nature of each one's relationship to Sally is what sociologists call a tie.

Explanation:

Strong and weak ties are relevant when socializing in an environment. A strong tie is someone who  know you very well  and whom you also trust in all endeavors and at all times. Mostly Blood relations form such ties.

Weak ties are the people who establish a relationship for a short period of time. examples are like a train passenger who shares good terms with you and they move in their own way when they reach the destination. A common friend establishes such a relationship who stays with you until the other person is friendly and then they leave.

answer: b has a great day

explanation:

c it has to be i googled it