D- hip pedometer need to be attached on the waist
I’m pretty sure this is true.
It's the same reasoning as why insurance gives better deals to people of greater age.. They are seen to have more experience and be more "mature " to drive safer if you have more years driving your insurance goes down.. same concept
Answer by JKismyhusbandbae: A) Plan B
Why: Plan B is the most effective emergency medication for preventing unwanted pregnancies.