What strategies have potential to prevent the spread of disease? select 3 correct answers.
1. early intervention
2. education through social media
3. the development of new vaccines
4. closing water purification plants

I think 1,2,3

Explanation:

because purifying your water gets rid of most of the bacteria and viruses in your water , if you don't have purified water then you are one step closer to catching a disease or getting sick.

what do we need our phalanges for?

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.