Question : It is easier for man to swim in seawater than river water because
Option 1: The density of seawater is lesser than the density of river water.
Option 2: The density of seawater is more than the density of river water.
Option 3: The sea is deeper than the river.
Option 4: The sea is wider than the river.
Correct Answer: The density of seawater is more than the density of river water.
Solution : The correct option is T he density of seawater is more than the density of river water .
The density of seawater is higher than that of river water because it includes salt, which is the cause. A man's weight is balanced by the portion of his body that is less submerged in seawater than in river water. As a result, swimming in the ocean is simpler than in rivers.
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