When an Amoeba is taken from river to sea water, than

When a boat in a river enters the sea water, then it

If water sample are taken from sea, rivers or lake, they will be found to contain hydrogen and oxygen in the approximate ratio of 1 : 8 . This indicates the law of :

If water sample are taken from sea, rivers or lake, they will be found to contain hydrogen and oxygen in the approximate ratio of 1 : 8 . This indicates the law of :

If water sample are taken from sea, rivers or lake, they will be found to contain hydrogen and oxygen in the approximate ratio of 1 : 8 . This indicates the law of :

If water sample are taken from sea, rivers or lake, they will be found to contain hydrogen and oxygen in the approximate ratio of 1 : 8 . This indicates the law of :

Why is it easier to swim in sea water than in a river?

Explain the following : It is easier of swim in sea water than in river water.