A(n) is an atom that has gained or lost an electron

What are some aquatic organisms that live in cold water temperatures?

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.

This is collection of data made by comparing objects in standard units. in science, the units are metric.