- - The Sun keeps all of the planets orbiting it because of its large captivity.
ღ So in other words, it keeps orbiting due to its largest and the amount of gravity it is concealing.
The first option is correct hope this helps
It helps prevent illness because they washed their hands and if they didn't 1 that would be nasty and 2 no one want pee or poop on their food that they are going to eat.