How long did it take the human population to double from 500 million to 1 billion?
a. 150 years
b. 300 years
c. 450 years
d. 600 years
Answer: A
Psychology
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Papillae, the bumps on the tongue, each contain hundreds of _____, the organ of taste transduction.
A) glomeruli B) ORNs C) taste buds D) umamis
Psychology
The part of the electromagnetic spectrum that stimulates the eye and produces visual sensations is known as _____
A) visible light B) cosmic rays C) ultraviolet rays D) the visual field
Psychology
Hypotheses of the form "I expect this would happen if" are associated with:
a. deductive reasoning. b. inductive reasoning. c. theory-driven research. d. deductive reasoning and theory-driven research.
Psychology
The sample standard deviation is symbolized by ____
a. df b. ? c. S d. S2
Psychology