At 6 months of age, American infants sleep about 14 hours a day, whereas infants who are the same age in Kenya sleep about 12 hours a day, and infants in the Netherlands sleep about 16 hours a day. This variation is best explained by .
a) differences in genetics.
b) cultural practices
c) innate programming.
d) random variation.

answer; when one group has an extremely high score at pretest;

here are five steps to a strong outline:

choose your topic and establish your purpose. a lot of writers struggle to define the initial focus for their paper.

create a list of main ideas. this is the brainstorming part of the writing process.

organize your main ideas.

flush out your main points.

review and adjust.

the answer is tom watson. tom watson created this epitaph because he wanted to increase the sympathy felt by people towards the murder of mary phagan.