The highest level of endocrine control is provided by the

A) thyroid gland.
B) pancreas.
C) suprarenal glands.
D) hypothalamus.
E) thymus.


D) hypothalamus.

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Which of the following determines when a person will be comfortable working?

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Which of these is the coolest part of the valve?

A) Seat B) Margin C) Stem D) Face

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A load consists of a parallel connection of R1-L1, R2-L2, and R3-C1 paths as shown below. Assume R1 = 60 ?, R2 = 55 ?, R3 = 50 ?, L1 = 55 mH, L2 = 75 mH, C1 = 200 ?F, |Vrms| = 105 V, f = 60 Hz. Find the complex power, average power, reactive power, apparent power, and power factor of each path. Also, find the complex power, average power, reactive power, apparent power, and power factor of the entire load.

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When light strikes a photoresistor, its resistance is __________.

A. low B. high

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