Answer:
See explanation for answer.
Step-by-step explanation:
Photography, one of the most commonly used things and skills we use in the world today all started in the year 1839. Photography was introduced t the public pretty quickly and they all started using it, of course not thinking about how to use it they were still very excited to use it. Meanwhile, photographers spent days, months trying to learn the true art of it. According to multiple sites, back in the day the really early photographs weren't on paper but were actually on incredibly thin sheets of metal and glass. The actual image they coated with a form of iodide or copper. However, not just any copper but silver-plated copper.
I hope this helps!
Have a great day!