exposure to air and light with the manual processing technique can be avoided by using a: A. Thermometer B. Tank cover C. Timer D. Stirring rod
Biology · High School · Wed Jan 13 2021
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B. Tank cover
When processing photos using manual processing techniques, it's crucial to prevent undeveloped film from being exposed to light and air, as these can ruin the film. The tank cover is specifically designed to seal the processing tank to create a light-tight and air-restricted environment where the film can safely undergo the chemical reaction needed for development without the risk of accidental exposure. The other options, such as a thermometer, timer, and stirring rod, serve different purposes in the process of developing film manually.