1. The highest mountain ranges on the world's continents formed as
A. volcanic mountains.
B. fault-block mountains.
C. grabens.
D. folded mountains.
2. The scientific evidence that finally supported Alfred Wegener's hypothesis of continental drift was
A. the fact that continental shorelines look a bit like a broken jigsaw puzzle.
B. the confirmation of seafloor spreading.
C. the discovery of the ancient continent called Pangaea.
D. the discovery of similar fossil remains in Africa and South America.
3. Of the three kinds of seismic waves, L waves
A. move the fastest.
B. can only travel through liquid or molten rock.
C. can only travel through solid material.
D. cause the land surface to rise and fall like ocean waves.
2006-09-10
13:00:17
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5 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Earth Sciences & Geology