Part 19 (2/2)

_Fossil_, the re fronated_, filled, saturated

_Catalonia_, a considerable province of Spain, situated to the north-east

_Adjacent_, adjoining, lying near, or contiguous

To what use did the ancient inhabitants of Africa and Arabia put this substance?

The large slabs of rock salt, hich their country abounds, were es, the pieces being easily ce the joints ater, which,the parts of the two surfaces that opposed each other, formed the whole, when dry, into one solid block

Does Rock Salt undergo any preparation before it is used?

Yes; when taken from the earth it is dissolved in cold water, and afterwards drawn off into salt-pans, and refined in the same manner as the sea salt

What is Coal?

A hard, black, sulphurous and infla in many countries as fuel It is common in most of the countries of Europe and America In so an area of several thousand square inated?

Its origin is supposed to be derived froantic trees which flourished in the swa been torn away from their native bed, by storms and inundations, were transported into some adjacent lake, river, or sea

Here they floated on the waters until, saturated with the buried in the lower soil of adjacent lands, beca theinteres, and new coetable elements, converted theinal, existing before the flood

_Gigantic_, extrereater than the usual size

_Interround

_Elements_, the several parts or principles of which bodies are composed

What is a Coal Mine?

A subterraneous excavation, from which coal is obtained

Do the ternify the same substance?

No; Charcoal is an artificial fuel,wood covered with earth so as partially to exclude the air It is used for various purposes, as thebrass and copper, &c, and when a clear and bright fire is required, as it burns with little or no serous, however, for one to remain many hours in a close room with a charcoal fire, as the fumes it throws out are hurtful, and would destroy life Charcoal, in fact, is the coaly residuuetables burnt in close vessels; but the coenerally black, very brittle, light, and destitute of taste or smell It is a powerful antiseptic, unalterable and indestructible

[Footnote 7: See Chapter XII]