Place Bath water large water in large, flat, relatively shallow container; birds show by their behavior whether the container is large enough and the water deep enough. Offer Bath water large only 2 or 3 times weekly.
Ducks lack the intelligence of geese and are more difficult to care for in the open because they are untidy and need water. An adult duck may be kept in a cage for 2 or 3 days without great discomfort. Feed it grains moistened with water or milk. By the second day it will require a Bath water large, a process worth watching. If there is a Sink in a classroom, fill it with water. Use a large dishpan if a Sink is not available. Place duck near the water and watch what follows.
The remaining type of fog of interest to boaters is steam fog. This occurs when cold air passes over much warmer water, resulting in a rapid transfer of heat and water vapor to the lowest layer of air. Because the water is much warmer, vertical air currents are formed and it appears that the water is steaming, much like a hot Bath water large. Such fog in coastal areas, called sea fog, can be widespread and very thick.
Winds
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