Due right when were earth’s landmasses first recognizable as the continents we know today? a) 10 million years ago b) 135 million years ago c) 180 million years ago d) 300 million years ago

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.