Question

why is it easier to swim in the sea than in river​

Answer 1

Answer:

Due to high salt in the sea water the density of the sea water is higher as compared to river water. So as the density increases the buoyant force also increases. ... So the buoyant force is higher in the sea water as compared to river water. So it is easier to swim in the sea water as compared to the river water.

Answer 2

Explanation:

Due to high salt in the sea water the density of the sea water is higher as compared to river water. So as the density increases the buoyant force also increases.... So the buoyant force is higher in the sea water as compared to river water. So it is easier to swim in the sea water as compared to the river water......

I hope you understand....