Which of the following is a key feature of africa's cultural legacy?
a. most african countries today still use the caste social structure
b. the influence of christianity on early civilizations in west africa is still evident.
c. the trans-saharan trade network between northern and southern africa continues to thrive.
d. many societies rely on oral tradition to teach and entertain.

As societies modernize, what often happens to crime rates? a. they increase b. they decrease c. they remain the same d. they increase slightly and then fall rapidly

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

Why is mary salter ainsworth a central figure in psychology?