TOEFL Listening Practice – Lecture – Geological Formation



Listen to part of a lecture in a geology class. The professor is talking about a geological formation.

Watch the video and answer 7 questions.

Answers
1. d
2. b
3. a & d
4. -1) Rainwater forms…
    -2) Dissolving limestone…
    -3) An underground cavern…
    -4) The roof collapses…
5. The first picture from the left
6. The third picture from the left
7. c & d



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