No.
Salt water is denser than fresh water.
At the same depth the pressure is greater at sea because salt water is denser than fresh water.
Maybe a penny cause it's least denser. But otherwise I don't know. Maybe a penny cause it's least denser. But otherwise I don't know.
salt water is denser
probally fresh because no salt in mouth or eyes addition: it is easier to float/swim in seawater since seawater is denser than fresh water.
Most probably , it would be fresh water. This is because since there is no salt which would keep the cold , the fresh water would melt faster.
Sodium makes salt water denser.
On the contrary, it takes longer for salt water to freeze - it freezes at a lower temperature than fresh water does.
Sea water is denser, not only that, different oceans have different densities.
0.0764
The density of sea water is greater the fresh water. The more greater density the larger is its upward thrust.
Crocodiles are the fastest fresh water animal in terms of hunting its prey. Despite of their huge size, Crocodiles are capable of swimming 3 times faster compared to an Olympic swimmer.