About how many unique species does the earth lose per year?
A. 21
B. 31
C. 111
D. 121
Answer: D
You might also like to view...
The number of adolescents who reported never having had sexual intercourse __________ from 1991 to 2007.
A. decreased by 30 percent B. increased by 13 percent C. decreased by 15 percent D. increased by 50 percent
Which theorist identified stages of psychosocial development?
a. Lev Vygotsky b. Mary Ainsworth c. Jean Piaget d. Lawrence Kohlberg e. Erik Erikson
When Lidia first moved to Texas, she really didn't like country music. However, after being exposed to it for a while, her attitude began to change. This is an example of the ________
a. just-world effect. b. familiarity effect. c. validity effect. d. fundamental attribution error.
You have a class in which you have a quiz every Friday. Your studying for quizzes is reinforced on what type of schedule?
a) fixed-ratio b) fixed-interval c) variable-ratio d) variable-interval