Question

The photographic process was being invented simultaneously in different countries. Louis Daguerre in France was given credit for the invention rather than William Henry Fox Talbot in England. One of the drawbacks and differences in Daguerre's process was that the images on polished metal where _________________.
not permanent

soft focus and grainy

dark blue

one of a kind

Answer 1

I took the test already. The answer is "One of a kind".