Which of the following statements is true for high-visibility clothing?
a. high-visibility clothing to reduce insect problems when exercising.
b. bright colors work to keep you cooler while exercising.
c. high-visibility clothing is important to wear in areas with moving vehicles.
d. none of the above

c. the runner should sprint as fast as possible to the finish line.

well when looking at this if you think about it   negativley and positivley   react with each other and when the first layer gets full they add layers it starts with 2 on the first layer and it constantly goes on until the official number is there