20 in one part of the activity, you looked at photographs and placed them in order. how did you determine the order that the photos should go in?

Typically, when putting photos in chronological order, we have to use a before and after sort of logic, say, if you see a boy crying next to a image of a boy tripping, you use logic and know that the image of the boy tripping came before the boy started crying.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."

islam spread slowly through much of africa through trade and preaching.