You are mixing one of the chemicals needed to develop photographic film. you pour a white solid into water and wait for it to dissolve. the process is taking a long time, how might you make it go faster? a. put the water into the refrigerator b. warm the water on a heater c. add more of the solid d. reduce the air pressure
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You are mixing one of the chemicals needed to develop photographic film. you pour a white solid into...
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