Mr. Moffitt is a high school chemistry teacher. As a young man, Mr. Moffitt worked in the textile dyes division of a chemical company. Besides teaching chemistry, Mr. Moffitt operates a business cleaning Oriental carpets.

For each question, a paragraph will be given that contains all the information necessary to infer the correct answer. Use only the information provided in the paragraph. Do not speculate or make assumptions that go beyond what is given in the paragraph. Also, assume that all the information is correct, even if it conflicts with your own personal knowledg