which rocks, red sandstone, limestone, pea stone, is
#0183;#32;we had to soak all three of these rocks in vinegar to see which is most resistant to acid rain and since i wasn''t there one day, being one of the smartest in my class but having only two other people in my group, the two dumbest people in my class had to do it and i have to do the write up. all the information looks wrong so i want to be able to fix it.