Why is the water of the ocean and the larger lakes seldom at rest?
Because the wind touching the water seldom ceases to blow.
To what depth does the wind disturb the water of the ocean?
Wind seldom disturbs the ocean to a greater depth than thirty feet below its surface.
Fogs and Clouds.
What is always taking place from the surface of the water in the rivers, lakes, and oceans?
The water is always passing off in the form of vapor.
Where does this vapor go?
It goes into the air so that the air becomes filled with moisture.
What kind of air will hold the most vapor?