Which legislation required labeling of drugs and food additives?

Which part of the Hardy-Weinberg equation expressed as p2 + 2pq + q2 = 1 predicts the number of people who are heterozygous for a given allele?

a. p2 b. 2pq c. q2 d. 1

If a vertical penetration of a floor is designed into a building, what do codes require for enclosing that penetration?

A. The penetration must be enclosed in a fire-resistive enclosure. B The penetration is required to be enclosed with a 4-hour wall. C. The penetration perimeter must be protected by a sprinkler system. D. The penetration must be enclosed only above the second floor.