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remains the same its force of inertia will remain the same in quantity. The same in the case of gravity. A meteor falls and produces heat. Gravity is to be held to account for this, but the force of gravity upon the fallen body is not diminished. Chemical attraction draws and holds the particles of matter together, their collision producing heat. Has the former passed into the latter? Not in the least, since drawing the particles again together whenever these are separated it proves that it, the chemical affinity is not decreased, for it will hold them as strongly as ever together. Heat they say generates and produces electricity yet they find no decrease in the heat in the process. Electricity produces