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: B is correct (study of the setting surrounding a historical event).
Explanation: contextualization means to put an event or series of events within the context because everything is conditioned by such a context. It means to introduce to political, cultural, ideological or philosophical context.
Answer:
the 3rd one is right Authority
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A political effect of the enlightenment was some monarchs embraced new ideas from the movement.
Enlightenment principles held that the people should be in control of their own government.
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Answer:
Steam-powered trains.
Explanation: Railroads provided the most dramatic transportation growth during the 1800s. They facilitated the movement of people, goods, and information, decreased shipping costs and time, and strengthened the links between the Old Northwest and the East.
