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New TOEFL IBT Pratice Test #005
New TOEFL IBT Pratice Test #005
Listening | Question 16 of 16
Listen to an Academic Talk
Why does the professor mention that water becomes "superheated"?
A) To explain that the water is unusually clean
B) To highlight the role of intense pressure
C) To suggest the water is unsafe for plants
D) To compare geysers to regular volcanoes