Module 4.4 Quiz
1. If your _is blocked, before entering an intersection, inch forward very slowly until you can see past the obstruction.
engine
line-of-sight
path
rear view mirror

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