Question

Why is it easier to swim in sea water than in fresh water?

Answer 1

1. Seawater contains dissolved salts due to which the density of seawater is more than freshwater.
2. The buoyant force is very necessary for swimming.
3. Buoyancy in saltwater is more than in freshwater because of the higher density of saltwater.
4. So, it is easier to swim in seawater than in freshwater.