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:
They weren't. Lets end it there. Period.
One main reason why <span>some Americans wanted the government to control the railroad industry was because they believed this would keep prices down, since individual firms would not be allowed to collude. </span>
Ada Lovelace was tinge person who programmed the first computer
The political defeat of the Republican Party
Hope I could help
