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Verbal·Craft and Structure·Text Structure and Purpose
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Geothermal energy is generated by harnessing the heat produced beneath the Earth’s crust. It is considered a highly reliable renewable energy source because, unlike solar and wind power, geothermal plants can operate continuously regardless of weather conditions or time of day. However, geothermal power plants are expensive to build and can currently only be successfully … in areas with specific geological features, such as hot springs or volcanic activity.
Which choice best describes the overall structure of the text?
A
It defines an energy source, highlights its primary advantage compared to other sources, and then notes its significant limitations.
B
It explains the history of an energy source, traces its development over time, and predicts its future role.
C
It compares three different renewable energy sources and argues that one is vastly superior to the others.
D
It identifies a geographical phenomenon, outlines its dangers to the environment, and suggests regulatory solutions.