The height, or magnitude, of a sound wave represents its ______
a. pitch c. timbre
b. amplitude d. frequency
B
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In early language development, any behaviors, such as touching, vocalizing, gazing, or smiling, that allow non-verbal interaction and turn-taking between parent and child are known as shared
a. signals. b. semantics. c. telegraphic speech. d. transformations.
Pregnancy sickness
a. usually occurs late in a pregnancy. c. is a mechanism to protect the fetus. b. can harm the fetus. d. has no effect on the fetus.
Cells that are triggered by light, vibrations, sounds, touch, or chemical substances are called
a. ganglion cells. b. bipolar cells. c. ossicles. d. sensory receptors. e. amacrine cells.
In which situation is someone most likely to behave aggressively?
A. if there is a badminton racket in the room B. if there is a rifle in the room C. if there is a doll in the room D. if there is nothing in the room