As volcanologists like Tamsin Mather are apt to make clear, not all volcanoes are the same. Agua de Pau in the Azores Islands, for example, is a stratovolcano, a conical volcano built up by many layers of hardened lava and tephra. Methana in Greece, __________ is a lava dome, a circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano.
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Verbal·Expression of Ideas·Transitions
mediumWhich choice completes the text with the most logical transition?
A
in any case,
B
in conclusion,
C
in contrast,
D
in fact,