13. In the Mid-1900s, scientists mapped mid- ocean ridges using what?
A Satellites
B. Moons
C. Stars
D. Sonar
14. Wegener suggested that coal beds discovered in Antarctica indicated that this continent was
A once underwater
B. once near the equator
C. always frozen.
D.part of Africa
15. The idea proposed by Alfred Wegener to explain the continental Shape and position is krit as
A Pangaea
B. Continental drift
C. Plate tectonics
D. Seafloor spreading
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Answer:
13.C.stars
14.A.once underwater
15.B.continental drift
Answer:
13.A. satellites 14. C always frozen 15. B Continental drift