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10 Facts About Sharks You Did Not Know

10 facts about sharks you didnt know

1# The first sharks lived more than 400 million years ago‚ÄĒ200 million years before the first dinosaurs. They have changed very little over the eons. 2# In its lifetime, a shark can have up to 30,000 teeth¬†. They are continuously being replaced and shifted within the mouth. 3# Sharks are hypersensitive to¬†pressure¬†changes in the water. […]