Which statement regarding the early civilizations of the Mayans, Aztecs, and Incas is true? A. Both the Mayans and the Aztecs inhabited parts of the North American continent
B. The Mayans, Aztecs, and Incas were inhabitants of what is now West Africa
C. The Mayans and Incas co-existed in Central America in what is now Mexico
D. Both the Incas and Aztecs inhabited the land areas along the western coast of North America

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

Of the following choices, which ones are characteristics of west african society? select all that apply. a. arabic was the main language used when trading with other societies. b. christianity was the only religion practiced in villages. c. slaves had no rights and were only given specific farming tasks. d. skilled workers were a higher level in the caste system than traders. e. religious rituals encouraged the honoring of ancestors.

The provisions of subpart d, of the hhs regulations, additional protections for children involved as subjects in research apply to: all research involving childrenall research that is > minimal riskall research funded by any federal agencyall research funded by hhs