pretestoabigailfaith
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24 Mar 2022
Answer:The working principle of a washing machine is centrifugation. Step-by-s...
24 Mar 2022
Answer: Glow-in-the-dark objects glow in the dark because of the presence of p...
24 Mar 2022
Answer:It is by the reaction of hydrogen peroxide to oxalate esters. Step-by-s...