which scenario is an example of a physical change?\nwood is burned in a campfire and is turned into ash and…

which scenario is an example of a physical change?\nwood is burned in a campfire and is turned into ash and smoke.\na piece of metal is left in the rain and forms rust.\nlead is melted into a liquid to form pellets.\nyeast turns sugar into energy, water, and carbon dioxide gas.

which scenario is an example of a physical change?\nwood is burned in a campfire and is turned into ash and smoke.\na piece of metal is left in the rain and forms rust.\nlead is melted into a liquid to form pellets.\nyeast turns sugar into energy, water, and carbon dioxide gas.

Answer

Brief Explanations:

Un cambio físico no altera la composición química de una sustancia. Cuando el plomo se funde en un líquido para formar perdigones, solo cambia de estado físico (sólido a líquido), pero su composición química sigue siendo la misma. En los otros casos, se producen reacciones químicas que cambian la composición química de las sustancias.

Answer:

Lead is melted into a liquid to form pellets.