Question 1178181


___a__ The population of certain species of animals decreases as logging in wilderness areas increases. (Cause-and-effect relationship)

___b__ The sales of sports cars increase as the school year comes to a close in June.(Accidental relationship)

___c__ The price of bread and canola oil both increase sharply after the prairies experience a drought during the growing season. ( Common-cause factor)

___d__ Demand for consumer goods increases as the unemployment rate decreases.(Reverse cause-and-effect relationship)