Question 1
The production of neurons is virtually complete by
◦ 28 weeks after conception.
◦ six months of age.
◦ three years of age.
◦ adolescence.
Question 2
The range of "normal" heights is
◦ wider than the range of "average" heights.
◦ narrower than the range of "average" heights.
◦ the same as the range of "average" heights.
◦ sometimes narrower and sometimes wider than the range of "average" heights depending on the country.