Please add spaces between words: Applyingquantitativemethodstoacomparisonoflivingandnonlivingsystems,LaplaceandthechemistAntoineLavoisierin1780,withtheaidofanicecalorimeterthattheyhadinvented,showedrespirationtobeaformofcombustion.
Applying quantitative methods to a comparison of living and nonliving systems, Laplace and the chemist Antoine Lavoisier in 1780, with the aid of an ice calorimeter that they had invented, showed respiration to be a form of combustion.