All oceans and seas have salty water the saltiest of all is the Dead Sea. If a person does not know how to swim, s/he would not drown in this sea they will float in the water as if lying down on it. Why do you think this happens?

1
The human body has a lot of air space
2
The Dead Sea has a higher water density
3
Dead Sea has a lesser water density
4
None of these

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