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Which resource used to be greatly consumed by the photo processing industry before the age of digital photography?

oil
silver
cadmium
zinc
Photography used 31% of the silver consumed in 1998. By 2010, it dropped to 7%.
Jason Beagley
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Answers by country

oil
silver
cadmium
zinc
answers
flagthe Netherlands
0%
75%
8%
16%
12
flagBelgium
0%
69%
15%
15%
13
flagGreece
6%
62%
18%
12%
16
flagGermany
5%
56%
35%
2%
37
flagAustralia
6%
51%
25%
16%
92
flagMalaysia
5%
51%
30%
12%
39
flagIndia
8%
50%
28%
10%
753
flagPoland
7%
48%
30%
12%
11368
flagthe United Kingdom
8%
47%
23%
19%
272
flagNigeria
10%
47%
29%
11%
68
flagUnknown
8%
47%
28%
15%
46
flagSingapore
10%
46%
28%
14%
28
flagPakistan
15%
44%
20%
17%
96
flagthe United States
11%
40%
31%
16%
865
flagCanada
4%
38%
29%
27%
47
flagSri Lanka
7%
38%
38%
7%
13
flagRomania
8%
33%
41%
16%
12
flagIndonesia
28%
28%
28%
14%
14
flagthe United Arab Emirates
22%
27%
27%
22%
22
flagthe Philippines
16%
23%
38%
21%
71

Why were photographic prints sepia toned?

sepia process was cheaper than black and white
for improved resistance
it is simply ageing of paper
it is the effect of exposition to sunlight

What kind of furniture was specifically made for photographers in the mid-19th century?

wardrobes
tables
armchairs
sofas

In which year was the earliest surviving photograph created?

c. 1826
c. 1852
c. 1886
c. 1905

Which of the following camera lenses is typically more expensive?

f/1.8
f/2.4
f/2.8
f/3.5