The answer is C because transportation regulation is going to prevent overcrowding and therefore help with good hygiene. this prevents the spread of germs.
your answer would be A. "Something that can happen as someone approaches death"
It hardens the arteries from blood flow. So you heart wont get enough oxygen for you to live<span />
C.
The information required for the calculations is very easily obtained, making this an advantage of the method.
Swimming
Running
Walking
Bicycling
Jogging
Climbing
Dancing
Playing Basketball
Playing Soccer
Doing Cheerleading
Just anything along those lines
