What are the three forms of genotype-environment effects?

When one is uncomfortable with one's assigned gender and is unable to cope with the negative feelings, one experiences gender:

a) dysfunction. b) dysphoria. c) despair. d) discomfort.

The walls of a very long, narrow corridor appear to come together as they recede the viewer. This distance cue is known as ______

a. convergence c. interposition b. aerial perspective d. linear perspective