Answer to Question 1
B
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A Incorrect. During early adolescence, the adolescent's interactions with the opposite sex are not usually carried out cautiously in one-on-one interactions.
B Correct. During early adolescence, the adolescent's interactions with the opposite sex are usually considered dangerous and approached in the security of one's clique.
C Incorrect. During early adolescence, the adolescent's interactions with the opposite sex are not usually conducted mainly in the company of another couple or several couples.
D Incorrect. During early adolescence, the adolescent's interactions with the opposite sex are not usually limited to interactions forced on the adolescent by caregivers or other adults.
Answer to Question 2
C
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A Incorrect. The educational definition emphasizes the extent to which vision can be used for reading and learning.
B Incorrect. The functional definition describes what a person actually can see.
C Correct. The legal-medical definition emphasizes the clearness of vision at various distances (visual acuity).
D Incorrect. There is no common usage definition for visual impairment.
Population Interactions and Communities
Geographic distribution of early hominins.
Adolescence: 12 years or puberty to the beginning of adulthood.
Potential Interactions of Medications, Herbs, Nutrients, and Foods (1 of 2)
Formation of the Early Earth
Teens who date in early adoles-cence are more likely to become sexually active