Water molecules are carried to the shark by water currents. If there are no water currents then it's molecular diffusion... - See more at: http://www.chacha.com/question/how-do-sharks-'smell'-blood-underwater#sthash.eHVYYyJ6.dpuf
The smell of dead sharks.
I am not that sure, but this is what I think....Some fish get the stink depending on what they eat, or because of their surroundings of the underwater world, and partly from pollution.... Hope this helps!
They do not smell.
no
Underwater
no
sharks can actually smell blood from almost a mile away
yes
yu
the sharks can smell blood 20-40 miles
underwater they need water to survive.
sharks