The correct answer is principals/their
The answer among the four choices is the third one, choice letter C.
When Louis Pasteur, a man who started out as a research chemist, let<span> nerve tissue from sick animals stand for a few days, the nerve tissue became weak.</span>
What’s the question abt it?
2. Were you surprised that Wightman's classmates turned out as they did? Why or
why not?
