Jack, raj, brenda, and jamira have natural affinities for one another. they tend to work together, sit together, take breaks together, and even do things together outside of the workplace. this is an example of which is these groups?

This is a friendship group

Explanation:

Friends mostly become friends because of the common things that they share between each other as a result of those similarities they find themselves enjoying doing things together.

Even though friends are not similar but because they share most similar interest and love for each other they mostly enjoy spending time together which may result into them doing things at the same time.

The word affinity tells us that they have a very strong relationship because of their similar qualities which is what most friends share and what keep them together at all times and so does these friends above.

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.