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Answer 1

Answer:

Photography is the art, application, and practice of creating durable images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film.Typically, prior to some process, such as transmission over cable, or recording to phonograph record or tape, the input frequency range most susceptible to noise is boosted. This is referred to as "pre-emphasis" – before the process the signal will undergo.Photosynthesis also requires water and carbon dioxide. How do they get these two things you ask? Plants can absorb rain water through their roots. They receive carbon dioxide from the air through their leaves.