How are the principles of lateral continuity and superposition related?
A) They help to understand the processes that obstructs sedimentary layers.
B) They help to extend relative age relationships over larger areas.
C) They help to understand cross-cutting relationships.
D) They help to show that sediment tends to accumulate in horizontal layers.
Answer: B
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A giant meteor impact crater is found in the United States near ________.
A. Rapid City, South Dakota B. San Francisco, California C. New York, New York D. Flagstaff, Arizona E. Memphis, Tennessee
Scientists have found that the number of organisms in marine refuges that do not allow fishing is not appreciably different from surrounding areas where fishing is allowed.
Answer the following statement true (T) or false (F)
Narrow surface currents that flow in the same general direction as the approaching waves are:a
rip currents. b. nearshore currents. c. longshore currents. d. upwelling currents. e. refraction currents
Red sunsets, blue moons, and milky-white skies are mainly the result of ____
a. refraction b. dispersion c. reflection d. scattering e. diffraction