The medium in which a wave travels mainly
A. transmits the wave.
B. produces the wave.
C. reflects the wave.
D. moves along with the wave.
Answer: A
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If oceanic ridges in the Pacific are more active, then it is expected that the ridges are:a
steeper in profile. b. narrow. c. wide. d. the only areas to find transform faults.
What do prokaryotes lack?
A) a nucleus B) cell walls C) the ability to perform photosynthesis D) the ability to evolve over time
You have two X-rays taken, and the time of exposure was limited. According the U.S. Nuclear Regulatory Agency, your radiation exposure for the X-rays was
A) below any level to cause harm. B) minimal, but does pose a slight health risk. C) harmless, because medical radiation is not the same dangerous energy as radiation from nuclear energy. D) a different type of radiation that does not cause biological damage.
Fracture zone associated with transform boundaries are ________
A) topographic markers of where Pangaea originally broke apart B) active faults C) inactive faults D) fractures in the seafloor that did not become faults