In Lawrence's illustration, the increasing height of the girls and the numbers they write represent __________.

A simple tomb in which large, often upright, stones form a chamber that supports one or more table-like rocks, or capstones, is called a __________

A. passage grave B. henge C. dolmen D. cairn

The earthwork mounds in eastern North America are likely __________.

A. platforms for ancestral shrines B. conduits between heaven and earth C. the earliest architecture in the Americas D. the remnants of pyramids