Which of the following best summarizes the main point of the third paragraph and list? Human guts tend to gather a range of microbes that maintain health
The American Gut project is a study to understand the digestive system.
New studies suggest a wide variety of microbes is best for the human body
A healthy microbe to human relationship is a balance we can study and understand.

The description of the house in this excerpt gives an example of

Lines 47–56: determine the central idea of these lines

What can be inferred from the following sentence in the passage? then he asked me my name. scarcely had i uttered it when he made a gesture of astonishment. a) the sentence implies that the attendant knows the colonel. b) the sentence implies that the colonel is giving up on life. c) the sentence implies that the attendant is going to get fired. d) the sentence implies that the colonel recognizes the attendant's name.