help pls last chance if also possible and ok to send add me on at FaZe munta ROCKSTAR1 on ig/twitter / yt or discord/snap I need it pls better contect/dm method asap! last chance?

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.