Lakes

Defines lakes in terms of their physical features, how they are created and destroyed, and their uses. Indicates that the size and shape of a lake may vary, but that all lakes are formed because there is a depression in the land. Describes natural and man-made lakes and their uses as sources of food, recreation, and electricity. Shows that lakes must be protected from pollution if they are to continue to be useful to man., Defines lakes in terms of their physical features, how they are created and destroyed, and their uses. Indicates that the size and shape of a lake may vary, but that all lakes are formed because there is a depression in the land. Describes natural and man-made lakes and their uses as sources of food, recreation, and electricity. Shows that lakes must be protected from pollution if they are to continue to be useful to man.