Since the solution to 1.64 from 1 chapter was answered, more than 243 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 30 chapters, and 2920 solutions. This textbook survival guide was created for the textbook: College Physics,, edition: 8. College Physics, was written by and is associated to the ISBN: 9780495386933. The full step-by-step solution to problem: 1.64 from chapter: 1 was answered by , our top Physics solution expert on 01/04/18, 09:19PM. The answer to “(a) About how many microorganisms are found in the human intestinal tract? (A typical bacterial length scale is 106 m. Estimate the intestinal volume and assume one hundredth of it is occupied by bacteria.) (b) Discuss your answer to part (a). Are these bacteria benefi cial, dangerous, or neutral? What functions could they serve?” is broken down into a number of easy to follow steps, and 54 words.