In Toulmin's Model of Argument, the claim, evidence, and warrant make up the three primary and essential elements or an argument

By the completion of the first year of college, research indicated that approximately half of the "best" friendships examined had been reclassified to either close or casual friendships

Indicate whether this statement is true or false.

What alone seems to communicate the degree of pleasantness, agreement, and sympathy a person feels?

a. facial movements b. posture c. pupil dilation d. gestures