Trichromatic theory states that in the eye, there are three kinds of

Sandra and Stephan are currently disagreeing about how money should be spent (and saved) in their family. Stephan thinks Sandra spends too little and Sandra thinks Stephan spends too much. This _________ conflict is resulting in weekly arguments

a. interactive b. interdependent c. interpersonal d. incongruent

Exposure to teratogens during __________ is most likely to produce major defects in bodily structure

a. conception c. the period of the zygote b. the period of the fetus d. the period of the embryo