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Removal of free radicals occur by
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Free radicals are generated
Free radicals are formed in the body
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The average of five numbers is 25. After one if the numbers is removed, the average of the remaining is 31. What number has been removed?
If 1/2 of the air in a tank is removed with each stroke of a vacuum pump,what fraction of the original amount of air has been removed after 4 strokes?