Why does the author mention plate tectonics and radiocarbon dating in Paragraph 6？
A. To identify some of James Hutton's other innovations.
B. To support the claim that Catastrophism was replaced by Uniformitarianism.
C. To prove that many of Plutonism's ideas were incorrect.
D. To explain how Hutton's theories have influenced modern geology.
查看答案
The word catalyst in the passage is closest in meaning to
A. source.
B. instrument.
C. obstacle.
D. stimulus.
The word others in the passage refers to
A. territories.
B. trails.
C. places.
D. journeys.
According to the passage, both Neptunism and Plutonism were named after
A. important principles of Catastrophism or Uniformitarianism.
B. well-known theories established by early Roman thinkers.
C. the phenomenon they identified as essential to rock formation.
D. the materials they claimed that rocks were composed of.
All of the following are mentioned about the theory of Catastrophism in the passage EXCEPT
A. it successfully explained the discovery of fossils in the late 1700s.
B. it was sometimes related to Biblical accounts of Earth history.
C. it was the foundation of geologic study prior to the 1800s.
D. its dominance was ended by the rise of Uniformitarianism.
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