Similarity$-$attraction phenomena explains the human tendency $\_\_\_\_\_\_\_\_\_\_\_\_$ and may impact minority and underrepresented individuals through $\_\_\_\_\_\_\_\_\_\_\_\_.$

a$.$

for individuals to create generalizations about a particular group of people; an earnings increase

b$.$

for individuals to be attracted to similar individuals; a lack of mentoring opportunities

c$.$

for individuals to be attracted to similar individuals; an earnings increase