CHAPTER XXXV.
Water is a fluid composed of two volumes of hydrogen to one of oxygen, or eight parts by weight of oxygen to one of hydrogen. It is nearly colourless and transparent.
749. Why, if a saucer of water be exposed to the air, will it gradually disappear?
Because water is highly expansive, and rises in thin vapour, when in contact with warm and dry air.
"Behold there ariseth a little cloud from the sea, of the bigness of a man's hand. And it came to pass in the meantime, that the heaven was black with clouds and wind, and there was a great rain."—1 Kings xviii.