Melatonin helps to keep the biological clock in phase with ________

a. fluctuating hormone levels.
b. the waning light of winter.
c. seasonal fluctuations.
d. the light-dark cycle.

Answer: d

Psychology

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If the unbiased estimate of the population's variance is 15, the variance of the distribution of means is

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In March of 1999, Dr. Jack Kevorkian

a. caused the death of Thomas Youk b. was found not guilty of assisted suicide c. was charged with first-degree murder d. was involved in the death of Janet Adkins e. was convicted of second-degree murder

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