Pls pls ans me fast

Pls pls ans me fast go quite The following passage has not been edited. There is one error in each line. incorrect word and the correction in your answer sheet against the correct blank Remember to underline the word you have supplied. Under it, hydrogen peroxide was applied onto each t@th's surface and then laser were beamed into the bleaching corniX»und triggering a Thus an effect hastened oxidation prcress. is instantaneous and clearly visible in the entire duration for the procedure being only about a hour. Contrast this to the more entional methods as are both well as time consuming. as