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Question 1 of 1

Question 1 of 1

Which of the following is true?

• The Grotto is what geologists refer to as a spring.
• The presence of tree trunks at the bottom of the Grotto suggests it formed within the last 100 years.
• The debris cone that comprises the bottom of the Grotto is typical of sinkhole formation.
• The Grotto formed because Barney the Dinosaur didn’t watch where he was stepping, and put his foot through the soft rock.