Which of these sets of measurements shows the greatest precision? A) 112 mL, 125 mL, 130 ml, 127 mL
B) 122 mL, 121 mL, 121 mL, 121 mL
C) 125 mL, 123 mL, 126 mL, 125 mL
D) 132 mL, 126 mL, 124 mL, 122 mL

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth