2ndly—The particles of hot water being smaller than those of cold, can more readily penetrate the pores of salt or sugar.
Q. Why is sea-water salt?
A. 1st—Because it contains mines of salt at the bottom of its bed:
2ndly—It is impregnated with bituminous matter, which is brackish: and
3rdly—It contains many putrid substances, which increase its brackishness.
Q. Why is not rain-water salt, although most of it is evaporated from the sea?
A. Because salt will not evaporate; and, therefore, when sea-water is turned to vapour, its salt is left behind.
Q. Why does stagnant water putrefy?
A. Because leaves, plants, insects, &c. are decomposed in it.