Question

why is it easier to swim in sea water?

Answer 1

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Depends on many factors:

Temperature. Warm water will relax your muscles, which will make limbs feel as if they’re heavier, therefore requiring more effort to propel yourself properly. Cold water will force your body to work itself to maintain body heat, but won’t relax your muscles, which makes it easier for you to use them properly to swim. Hot water (over 32ºC or 90ºF) can easily cause you to overheat, and any water at temperatures below that can lead to hypothermia, depending on how long you stay in it.

Salt. Fresh water is generally harder to swim in than sea water, simply because salt makes water more dense, which in turn makes you more buoyant. Ever seen people float in the Dead Sea (world’s saltiest sea)?


Currents. Don’t try swimming against currents, you’ll only be tiring yourself without actually moving out of place. Instead, try to take advantage of the current, let it take you wherever it’s trying to take you.

Rip currents. An extension of the previous paragraph. Waters without any visible currents can seem to be pretty safe if you’re swimming in a river or a lagoon (generally still waters), but on the coastline (at least here in Portugal), superficially still and wave-less waters are usually an indicator of rip currents (underwater currents which are mostly invisible on the surface, but can easily drag you away into deeper waters if you’re caught). To get away from a rip current, don’t swim towards the coastline, and instead swim parallel to the coastline until you no longer feel any currents dragging you.

Whirlpools. An exception to the “currents” part. If you’re caught in a whirlpool, swimming either towards or away from it is a death sentence. Swim in the direction in which the whirlpool is spinning, with an angle just slightly outwards and away from the centre of the whirlpool. You’ll eventually be ejected from the whirlpool into safer waters.

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Answer 2

DEAR STUDENT

It is all because of the density of the water changing............we are able to swim in water because our body is less denser than the water.........when salt is added to water the waters density increase even more and makes it easier to swim..........

ADDITIONAL INFORMATION

A sea in jordan named Dead Sea has a very high salt content that u dont have to swim to become afloat it has concentration 8.6 times saltier than ocean water..........

hope it helped.............pls do mark it as BRAINLIEST