Which of the following is an external factor that impacts self-esteem

A) Age

B) Gender

C) Field of study

D) Education

I would say Gender

Explanation:

It may be wrong be here I go:

When people see you they can see whether you're a male or female. Your gender can impact your self-esteem, either negatively, positivley, or not at all. People go through different things depending on their gender so that may be why.