Sounds with frequencies above the range of human hearing are referred to as
a. fundamental frequencies
b. pure tones.
c. ultrasound.
d. infrasound.
c
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What type of development involves the way in which individuals' interactions with others and their relationships grow, change, or remain stable over the course of life?
A. cognitive B. physical C. personality D. social
Which best describes a newborn's sense of smell?
A. Highly developed B. Crude but effective C. Exists but is not very useful D. Nonexistent
Distress displayed by infants separated from their parents or caregivers is called
a. separation anxiety. b. social referencing. c. imprinting. d. insecure-avoidant attachment.
Why might a heavy alcohol user become thiamine deficient?
a. Alcohol is a catabolic enzyme for thiamine. b. Alcohol inhibits the transportation of thiamine through intestinal walls. c. Alcohol damages the intestine limiting absorption of a wide variety of nutrients, including thiamine. d. Heavy alcohol users prefer sugary foods that are low in thiamine.