A block and tackle is really:
a. Another basic example of a simple machine
b. Two fixed pulleys in combination
c. Two moveable pulleys in combination
d. A fixed and moveable pulley in combination
Correct answer: c
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A child’s peer group consists of individuals who?
a. ?are of approximately the same age. b. ?are of approximately the same social status. c. ?have common interests. d. ?all of these.
A group of 100 college students and 100 college graduates was asked to reply to the question, "In general, do you enjoy reading a college textbook?" The following are the results: Yes No Sometimes College Students 30 45 25 Graduates 50 30 20.The researcher can conclude that
a. students who have graduated read more than current college students. b. there is not enough evidence to make a decision. c. there is an association between being a student or a graduate and enjoying textbook reading. d. None of these are true.
Which of the following is a congenital malformation?
a. Rheumatoid arthritis b. Clubfoot c. Deaf-blindness d. Juvenile cancer
Girl bullies tend to engage in
A. physical intimidation. B. emotional and psychological intimidation. C. antisocial behaviors that isolate themselves from others. D. association with boys who are also regarded as bullies.