Which of the following factors best explains the distribution of Muslim populations shown on the map above

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.