You are operating a powerboat at night. you see green and white lights on another boat. what do these lights tell you?

Before a cranberry can make it to your dinner plate, it must pass a bouncing test which rates its quality. if cranberries having an e ú 0.8 are to be accepted, determine the dimensions d and h for the barrier so that when a cranberry falls from rest at a it strikes the incline at b and bounces over the barrier at c.

Ireally need to know this answer asap

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.