Which of the following acts as a barrier to diffusion of ideas and/or cultural traits?
A. man-made laws
B. the earth's topography
C. distance
D. all of these
Answer: D
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Regardless of their size, most rocks are made up of __________.
a. quartz b. minerals c. water d. carbon
Oak, hickory, maple, aspen, and birch are most associated with the ____.
A. temperate deciduous forest B. tropical rain forest C. boreal forest D. temperate rain forest E. temperate evergreen forest
Where on the map is the center of high pressure influencing ocean currents with clockwise circulation?
A. A B. B C. C D. D
Which of the following statements is true?
A. In a commensalistic relationship both partners benefit equally B. In a commensalistic relationship one partner benefits and the other is adversely affected C. In a mutualistic relationship one partner benefits and the other is neither harmed nor helped D. In a parasitic relationship both partners are adversely affected E. In a mutualistic relationship both partners benefit from the relationship