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

The lights in the night indicate from what side you are approaching the boat. Green means that you're approaching the starboard, while white and red mean that you're approaching port sides of the boat. This is of extreme importance to remember because serious accident can occur if the lights don't exist or are broken.

Its decreasing because of illnesses