- Appearance of crystals?

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Draw structures and write the equation for the reaction of galactose with Benedict s reagent? What percentage of uranium is used before spent in a nuclear power plant? What is the difference between Project Managment & Civil Engineering? Does anyone understand how to solve this question? the answer is E. but I have no idea how to do it.. please explain thank u? There are 3 swimmers in a race.There will be first-place and second-place prize awarded. In how many different ways can 2 prizes be awarded?