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

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction