How would you classify the most recent historical examples of STEM

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

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.