According to Eibl-Eibesfeldt (1972), the eyebrow flick, or brief ...

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According to Eibl-Eibesfeldt (1972), the eyebrow flick, or brief lifting of the eyebrows in humans, signals:
 
  a. recognition of someone who is familiar
  b. recognition of someone who is a possible threat
  c. the first move in an aggressive encounter
  d. an intention of courtship

Question 2

According to evolutionary psychology, reproductive value in human females is associated with:
 
  a. age and wisdom
  b. youthfulness and health
  c. wealth and social status
  d. education and beauty

[iman]

Answer to Question 1

a

Answer to Question 2

b