During the germinal stage, bleeding may be a sign of ___________

Darley and Latané's research showed thata person's tendency to intervene in an

emergency situation is influenced by all of the following factors EXCEPT a. how obvious the emergency is. b. the behavior of the other people who are present. c. that person's knowledge of what to do. d. the expected personal gain to the person in need. e. the number of other people present.

The idea that the eye contains separate receptors for red, green, and blue is known asthe ______ theory

a. opponent-process c. additive color mixing b. trichromatic d. reductive color mixing