Geologists believe that ____________________ are the remains of reef structures from one of the first
photosynthesizing organisms. Fill in the blank(s) with the appropriate word(s).
stromatolites
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Hot sand cools off faster at night than plants and vegetation. This tells us that the specific heat capacity of sand is
A. more than for plants. B. less than for plants. C. likely the same as for plants. D. not enough information
The practice of writing and reading signs is called
A) esthetics. B) semiotics. C) image interpretation. D) heuristics. E) symbology.
Who is best known as the founder of the Sierra Club?
A) Aldo Leopold B) Ralph Waldo Emerson C) John Ruskin D) John Muir E) Walter Sierra
Based on previous redlining policies, minority groups in U.S. cities are more likely to be
A) clustered in inner-city neighborhoods. B) dispersed throughout the city. C) clustered in suburbs. D) distributed uniformly in the city. E) distributed across the commuter zone.