Replacement is the process of molecule-by-molecule substitution of another mineral of different composition for the original material.
true or false

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.

What are 3 reasons that natural selection occurs

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated