A problem that free African Americans faced in the North was... A. traveling freely.
B. buying property.
C. choosing where to work.
D. seeking an education.

I think the answer is B

I think it’s B

Explanation:

Hi! after fertilization occurs, the zygote goes through mitosis and then differentiation (aka specialization of cells) to have a variety of cells that perform different functions. this allows for the creation of tissues and so on, all of which were once stem cells with no specific function.i hope i !