Select three reasons consumption habits have changed. 1.food assistance for the poor
2.changes in food prices
3.increases in disposable income
4.easier access to fast food
5.on-the-go society
6.larger portion sizes

treatments and vaccines : )

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.  

determining a set of tasks for each goal

explanation:

4