Respuesta :

oopsydaisy
The very first commercial photography process was called an ambrotype. This was the most popular type of photographs in the 1850's. 
TwistedTales

Answer:

Daguerrotype

Explanation:

It was invented in 1839 in France by Jacques Mandé Daguerre and released to the public. It used a copper plate coated in Silver Iodide placed in a Camera Obscura and a mixture of warm salt water to keep the photo from darkening do to the light-sensitive Silver Iodide.