OK, so we see that sharks are constantly swimming. They do not sleep, but do take an occasional power nap. Maybe, predators do not like to advertise when they are resting for some reason. Still, we do wonder about this one.
OK, so we see that sharks are constantly swimming. They do not sleep, but do take an occasional power nap. Maybe, predators do not like to advertise when they are resting for some reason. Still, we do wonder about this one.
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