A psychologist conducts research on life span development by interviewing numerous men and then uses the research findings to describe the different stages of development that both men and women experience. This is an example of . A. Ethnocentrism B. Ageism C. Androcentrism D. Racism Please select the best answer from the choices provided A B C D.

Which reason best explains why certain areas of southwest asia have low population density? a. the semi-arid climate makes farming difficult because it produces very little rainfall.b. the moist climate limits job opportunities because it reduces oil production.c. the semi-arid climate produces heavy rainfall that contributes to devastating floods. d. the moist climate reduces agricultural production by causing water shortages.