for question 1 I put the answer is A and I got 6/10 could some one help me?

Question 5 The market demand curve for wheat is derived by: O the physical location of wheat trades O the global supply and demand for wheat O the Chicago Board of Trade O the horizontal summation of all individual wheat demand curvesQuestion 3 As income increases, we will expect: O no change in the quantity of golf courses O an increase in the demand for golf courses an increase in quantity demanded of golf courses a decrease in the supply of golf courses Question 4 If the price of movie tickets decreases, this could be caused by: O a decrease in the quantity demanded for movies O decreased supply of movie theaters O higher fuel prices O a decrease in the demand for moviesQuestion 1 Demand shifts when: O production costs change O producer technology increases O tastes and preferences change O none of the other answersQuestion 2 An increase in the price of pork results in: O a decrease in the demand for pork and an increase in demand for beef O a decrease in the quantity demanded of pork and a decrease in the demand of chicken O a decrease in quantity demanded of pork and an increase in demand for chicken