Spermarche is __________.
A. body changes of puberty not related to reproduction
B. when ova mature and are released
C. a girl's first menstrual period
D. the onset of sperm production
Answer: D
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Tim and Amy are listening to their TV surround-sound system. They are impressed with the low tones of the grizzly bear in the movie that they are watching. Tim and Amy are happy with the ____ of sound.?
a. ?timbre b. ?frequency c. ?amplitude d. ?frequency and amplitude
The subjective experience of the loudness of sound is determined by the:
a. amplitude of the sound wave c. shape of the sound wave b. frequency of the sound wave d. duration of the sound wave
What type of thought emphasizes the use of logic to address everyday problems?
What will be an ideal response?
Most marijuana smokers and cocaine users quit by the age of
20. 30. 40. 50.