Which of the following is not a well-established risk factor for Alzheimer's disease (AD)?
a) being male
b) age
c) the ApoE gene
d) having family members with AD
e) Down syndrome
Answer: A
Psychology
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Most American high-school seniors eat the daily recommended amount of fruits and vegetables
Indicate whether this statement is true or false.
Psychology
In terms of sound waves, frequency refers to the
a. peak-to-valley height of the wave. b. number of vibrations the wave completes in a given time. c. physical strength of the wave as determined by the listener. d. relative complexity of the waveform. e. loudness of the sound.
Psychology