There are more than 350 different kinds of sharks, such as the great white and whale sharks. Fossils show that sharks have been around for 420 million years, since the early Silurian. Most sharks are predators, meaning they hunt and eat fish, marine mammals, and other sea creatures.
https://bitbillions.com/silent-killer-the-sharks/
Monday, October 3, 2016
SILENT KILLER THE SHARKS
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