What is one of the functions of the oil glands?

A. roughen the skin

B. waterproof the skin

C. allow easier evaporation of sweat

D. loosen the skin

B because the oil will cause water to not get soaked in which is why when you shower the water glides of your skin. Like how water does on oily pans when you wash them.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

it is either c or d and i know for sure it is not a or b