Question

explicalo que propuso stphen hales ​

Answer 1

Respuesta:

Explicación:Hales, Stephen (1727) Vegetable Staticks, London: W. and J. Innys — from the Missouri Botanical Garden's library

Hales, Stephen (1738). "Philosophical experiments: containing useful, and necessary instructions for such as undertake long voyages at sea. Shewing how sea-water may be made fresh and wholsome: and how fresh water may be preserv'd sweet. How biscuit, corn, &c. may be secured from the weevel, meggots, and other insects. And flesh preserv'd in hot climates, by salting animals whole. To which is added, an account of several experiments and observations on chalybeate or steel-waters ... which were read before the Royal-society, at several of their meetings", London: W. Innys and R. Manby

Biographical information (Dictionary of National Biography, 1890, pages 32–36)

Parascandola, John and Ihde, Aaron J. (1969). "History of the Pneumatic Trough", Isis, vol. 60, no. 3, pages 351–361

Answer 2

Respuesta:

estudió el papel del aire y el agua en el mantenimiento de la vida animal y vegetal. . descubrió los peligros de respirar aire viciado e inventó un ventilador que mejoraba los índices de supervivencia de los trabajadores de barcos, hospitales y prisiones.

Explicación: