Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations. Farmers in both the Mayan and ancient Egyptian civilizations:

A). existed during the same time periods

B). grew the same types of crops

C). made up most of the population

D). did not pay taxes to the government

The term for a fertilized egg that has begun cell division but is not yet a fetus is

How does federalism limit the power of government in the united states? a. it requires the national government to share power with state governments. b. it ensures that one state cannot make laws that affect all the other states. c. it requires the three branches of the national government to share powers. d. it allows the judicial branch to rule on laws that affect the entire country.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups. b. a researcher conducts a linguistic study of comments posted on a local public blog. c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression. d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.