Photographic paper reacts to light to produce the image taken by a camera and stored on film. Darkrooms used red lighting to allow photographers to control light carefully, so that light-sensitive photographic paper would not become overexposed and ruin the pictures during the developing process.
Answer:
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Answer:
The Mongol dynasty's relation to Islam, in particular, had tremendous impact on China's relations with the outside world. ... They recruited a number of Persian doctors to China to establish an Office for Muslim Medicine, and the result was even greater contact between West Asia and East Asia.
Explanation:
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