For This Pair of Items, Choose the Option That Best

For this pair of items, choose the option that best describes their relationship.
(a) The amount of molybdenum in a gram of dried plant material
(b) The amount of sulfur in a gram of dried plant material

A) Item (a) is greater than item (b) .
B) Item (a) is less than item (b) .
C) Item (a) is exactly or very approximately equal to item (b) .
D) There is not enough information to make a meaningful comparison.