Shear stress a. is the reason a balloon shrinks when you take it to the bottom of a pool. b. is a push (compression) or pull (tension) perpendicular to a surface. c. is a compression exerted equally on all sides. d. moves material parallel to a surface.

Answertechnician (a) is correct;

In psychology, a person who thinks that upbringing and environment are much more important than genes is more on the side of in the nature versus nurture debate.the answer in the blank is letter b which is nature. they are more on the nature and environmental side than the genetic side of species.