C. Is supposed to be the chemical laboratory in which the decomposable minerals are, and it is further supposed to be heated by subterranean fires.
"A Girl's Ride in Iceland"
Ethel Brilliana Alec-Tweedie
But the rigorous conditions of the Method of Difference are not yet satisfied; for we cannot be sure that these unpoisonous bodies agree with the poisonous substances in every property, except the particular one, of entering into a difficultly decomposable compound with the animal tissues.
"A System Of Logic, Ratiocinative And Inductive (Vol. 1 of 2)"
John Stuart Mill
We work it over and add to it a little more muck and other material, and the air being thus allowed to penetrate it, a new fermentation or heating takes place, rendering it more decomposable and valuable."
"Peat and its Uses as Fertilizer and Fuel"
Samuel William Johnson