One impressive cave system is the lava tube caves of Lava Beds National Monument. The caves provide a safe habitat for millions of bats. In order to visit the caves, visitors must first be screened for white-nose syndrome. It is a disease that is fatal to bats.
Which option best identifies the central idea of the paragraph?
The lava tube caves are part of a cave system that provides homes for millions of bats
The caves are a safe habitat.
Visitors must be screened for white-nose syndrome before visiting the caves.
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Lava tube caves are found in a national monument.