In order to increase the temperature rating of standard pvc insulation, manufacturers can a. dye the jacket. b. irradiate the jacket. c. coat the pvc with rubber. c. coat the pvc with rubber. d. coat the pvc with silicon.

D. Coat the PVC with silicon 

The answer is d coat the PVC with silicon

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.