6. When traveling at higher speeds (40 mph or faster), the most fuel efficient way to keep the car cool is to:
A roll down all the windows.
B. use the air conditioner
C. alternate between the air conditioner and the open window.
D. roll down the rear windows only.

What are the components of an effective weight-training program? a. conditioning, progression, generalization, overwork, balance, and recovery b. overload, progression, specificity, regularity, recovery, balance, and variety c. overwork, coordination, motivation, conditioning, regularity, and variety d. consistency, progression, rest, regression, balance, and specificity