______ are conceived when a woman releases more than one ovum and each is fertilized by a different sperm.
A. Dizygotic twins
B. Conjoined twins
C. Triplets
D. Monozygotic twins
Answer: A
Psychology
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Which of the following is the most common and widely recognized sleep problem:?
a. sleep Sleep apnea b. insomnia Insomnia c. sleepSleep-state misperception d. somnambulism Somnambulism
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According to this theory, sleep is necessary for growth and repair of the body
a) restoration theory b) adaptive theory c) psychoanalytic theory d) dream theory
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