The answer is experience.
I hope it helped!
Answer:
HI this is a great place to get answers on anything.
Explanation:
I believe it is B.) One every 3-5 seconds. This includes all mirrors, not just the rear view, though I may be wrong, sorry if I am!!
Reading the Food Label the serving size determines how much food that can feed a set amount of people for example Kraft mac and cheese has a serving size of 2-4 people which means that is roughly how many people you can feed on that box .