An abstract should be included in the front matter of a report

From the evolutionary perspective, many of the differences between male and female physiques may be attributed to ______.

a. an ancient division of labor between males and females b. body adornment to augment natural differences c. identification within species of differences in status between males and females d. intentional identity signals between males and females

The terms feedback and context are introduced in the _____ communication model, but without the concept of simultaneous interaction.

A. communication as action B. communication as interaction C. communication as reaction D. communication as transaction