The names of geological eras uniformly describe phases in Earth’s evolutionary history (e.g., Cenozoic means “new life”). Names given to geological periods, __________ are of diverse origins. The Silurian period is named after the Celtic tribe the Silures, for example, while the Permian period takes its name from the historical region of Perm in Russia.
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Verbal·Expression of Ideas·Transitions
mediumWhich choice completes the text with the most logical transition?
A
in turn,
B
furthermore,
C
on the other hand,
D
therefore,