Developmental psychologists study physical, cognitive, and changes throughout the human life span.
a. cross-sectional
b. embryonic
c. genetic
d. social

Which of the following is not a common characteristic of agricultural villages throughout the world?

In article v of the united states constitution, the amendment process is explained. why did the framers include provisions for amending the constitution? a) to limit the individual liberties of american citizens b) to allow the constitution to adapt to future circumstances c) to allow the president to change the constitution as needed eliminate d) to ensure that state governments had more power than the nation

To take a standard test such as the psat or plan students must have an