Smelly Dogs/ Sighting Cats/ Drowning Sharks/ Noisy Lions

                                   Dogs have a remarkable sense of smell. They are capable of differentiating odors in concentrations nearly 100 million times lower than humans can.


                                             Cats have powerful night vision,  allowing them to see at light levels six times lower than what a human needs in order to see.


                                              Some sharks remain on the move for their entire lives. This forces water over their gills, delivering oxygen to the blood stream. If the shark stops moving than it will suffocate and die.


                                        The roar of a lion can be heard from 8 kilometers away.

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