Although color photographic film was available to artists in the early twentieth century, many preferred black-and-white film because it was less expensive and less susceptible to technical problems, and because color prints .a) tended to fade over time.
b) were less popular with the public.
c) were easier to copy.
d) were considered too commercial.

(a) tended to fade over time.

Explanation:

In the early twentieth century, artists preferred to use black and white film over colored film. This was because colored film tended to fade over time while black and white film lasted for much longer periods and was also less expensive.

1. eadweard muybridge creates series photography - 1877

2. the kinetograph - 1889

3. philo farnsworth - 1929

4. kodak introduces kodachrome - 1935

5.   once upon a time in mexico was the first film to be shot digitally - 2003

i hope this ! : )

ees dis question in a forin language? mes do not understan