José and Laurel measured the length of a stick's shadow during the day. Without knowing the length of the stick, which of their measurements would you ask José and Laurel to examine more closely?

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic