What impact could peer pressure have on an individual?

Peer pressure could encourage you to follow your peers by changing your attitude, value, and behavior. It could be a positive and negative effect.

Question 1

the water in the cup isnt dirty because of the evaporation method, the water has been concentrated on the cling film( impersonating clouds), then precipitation has made the concentrated water fall(impersonation rain) into the cup because of the rock to direction the 'rain' into the glass 
 question 2

evaporation has happened to the dirty water(explained in question one)

question 3
a.
plastic wrap (cling film) =clouds
b. water in cup =rain

question 4
evaporation and precipitation.