What does estrogen promote?

A. Development of testes
B. Development of breasts
C. Development of lips
D. All of the above
i don't know this one

4 answers

http://www.news-medical.net/health/What-Does-Estrogen-Do.aspx
http://en.wikipedia.org/wiki/Esrogen

Since you obviously have not read your text materials, nor looked up the word, try reading this.
I've read my text books but there are some that i don't get and others i just post them to make sure there right.
its breast i think