38. Which global pattern is shown on this map?
(A) age of hotspot volcanoes
(B) volume of volcanic ash
(C) height of tsunamis
(D) strength of tropical storms
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統計: A(3), B(2), C(1), D(10), E(0) #2160252
統計: A(3), B(2), C(1), D(10), E(0) #2160252