The period of the ____ lasts for approximately two weeks.
a. embryo
b. zygote
c. fetus
d. neonate
Question 2
During adolescence,
a. both brain myelination and synaptic pruning first begin.
b. brain myelination first begins and synaptic pruning nears completion.
c. brain myelination nears completion and synaptic pruning first begins.
d. both brain myelination and synaptic pruning near completion.
