Identify the coefficients in the expression 5a3−7a2+a+2. Select all that apply. 1. 3
2. 2
3. 7
4. 1
5. -7
6. 5
THIS IS MATH

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.