How have masks, social distancing, number students in a class, adjusting schedules impacted schools?

Masks haven't impacted schools, however social distancing has, as there's only so many people that can fit within one classroom, therefore most schools have switched to a hybrid schedule, making it so that people have to go to school at different times.

Explanation:

when you rub, you also apply pressure, that pressure can urge the poop to come out. i think that when your rubbing, you also might be slightly breaking it up and that can further fill the stomach.  

b and d are your answers i just answered this question