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This question makes no sense. So I will try to answer. Great sharks are always.
yes sharks do have better sense of some than bears but it also depends on if the shark has a sense of smell
Sharks do not use their nose to breathe like humans do.
once they sense your presense weather they feel you as a threat or as a snack.
Sharks, unlike humans have only 5 systems. They have hearing, smell, taste and touch. In addition they can detect weak electric fields in the water. Some of these sense are more accurate in sharks than in humans. their smell organ is more developed than humans.
No humans sense organs are better than animals sense organs.
Some common sense rules humans should follow about great white sharks would include:don't throw out fish guts near swimmers in the waterdo not lure sharksdo not wear a black swim-suit or wet-suit or a shark might think you are a sealstay out of waters that are posted "do not swim"realize that sharks DO patrol coastal waters near the surf and shore, before you go wading or swimmingdon't tempt fatekeep hands away from sharks' mouths-- even babies have very sharp teeth
Tiger sharks have adapted to be able to see whenever it is very dark. They also have a great sense of smell.
Sharks do not have the ability to sense HUMANS are in the water... They have a sensory that makes it able for them to sense when things are moving in the water. They do not know what you are what they see you as is food... :)
There sense of smell is definitely better than ours
because dogs have a better sense of smeel than humans, because there eyesight is poorer than humans there other senses grow