<span>Americans generated about 254 million tons of trash and recycled and composted about 87 million tons of this material, equivalent to a 34.3</span>
RDAs do not prevent disease; they are only guidelines so not option A
RDAs can change based on age, sex, and activity level so not C
RDAs are set by the Food and Nutrition Board of the Institute of Medicine so not D
If you look on food packaging, it says "recommended daily amounts based on a 2000 calorie diet" so by that and the process of elimination, we can conclude that B is correct.
