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【单选题】Earthquakes Influence on the Planet They approach the topic carefully, wary of sounding merciless, aware that the geology they admire has just caused a staggering loss of life. Even so, scientists arg...
A.
no other advanced civilizations exist outside the earth
B.
other advanced civilizations are unlikely to exist
C.
other advanced civilizations also inhabit the earth
D.
the human kind is the offspring of a prior civilization
【单选题】Earthquakes Influence on the Planet They approach the topic carefully, wary of sounding merciless, aware that the geology they admire has just caused a staggering loss of life. Even so, scientists arg...
A.
A) Big crustal slabs.
B.
C) Volcanoes.
C.
B) The sea of melted rock.
D.
D) Earthquakes.