When fuel rods in the reactor core of a nuclear power plant melt due to exposure to too much heat, this is known as: a. nuclear meltdown c. nuclear fusion b. nuclear fission d. fuel rod fusion

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.