Researchers have demonstrated that the expression of the SCN genes can be changed through ____

Research on olfaction

a. has shown that we possess it as a synthetic sense, like vision. b. indicates the existence of four primary odors. c. has found that the olfactory bulbs send information directly to the limbic system. d. has shown that the human olfactory system is relatively insensitive when compared to that of animals. e. classifies it as a form or subtype of gustation since its processes are so similar.

Manipulation, curiosity, and exploration are all examples of secondary motives

a. True b. False