1. complement butter and margarine 2. substitute ice cream and ice cream cones 3. demand increases what happens to the demand for butter, if the price of margarine increases? 4. demand decreases what happens to the demand for ice cream cones, if the price of ice cream increases?

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.