Since the early 1800s, the average age of first menstruation in Europe and the United States has
a. been dropping
b. been rising
c. remained the same
d. been dropping, but lately has risen
a
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Why is hypertension often called the "silent killer"?
a. It has a strong genetic link. b. It produces no obvious symptoms. c. It is not currently a focus of research efforts. d. It results from the use of convenience foods and reliance on modern conveniences that reduce opportunities for exercise.
Faculty in the Psychology Department at State University consume an average of 5 cups of coffee per day with a standard deviation of 1.5 . The distribution is normal. What proportion of faculty consumes an amount between 4 and 6 cups?
a. 0.5468 b. 0.4972 c. 0.50 d. None of the above
Children with histories of __________ have the most severe and wide-ranging problems in school and interpersonal adjustment
a. learning disabilities b. mental illness c. physical disabilities d. abuse and neglect
According to Vygotsky, language is a tool
to make oneself understood. to regulate behavior. to advance thought. of self-expression.