What is an example of cultural diffusion? A. Moroccan troops capturing the city of Gao after invading the Songhai Empire
B. Askia Muhammad constructing universities and schools in the city of Timbuktu
C. Mansa Musa making a pilgrimage to Mecca and displaying the wealth of Mali
D. people of the Ghana Empire practicing Islam after interacting with Arab traders

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases

Which option below best represents what is included in the calculation of the united states gross domestic product (gdp)? a. 1 b. 2 c. 3 d. 4

Which type of learning occurs when you observe how other people act?