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Practice Listening: Select Missing Word
ID: #33462
Short
Cave
Transcript:
The interior of a cave is divided into three zones. The entrance zone may serve as a place of shelter for animals or people. Prehistoric humans used entrance zones of caves as shelters and burial grounds. Therefore, such zones are of interest to archaeologists as they provide clues to the habitat of early human beings. The next zone is called the twilight zone. The twilight zone is sheltered from direct sunlight and his home to a large, diverse population of animals, such as salamanders, bats, and during severe winters bears the third zone. The dark zone is the true cave environment, perpetually dark, it has only slight seasonal changes in.
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