Part A and Part B below contain one fill-in-the-blank to be used for all three question responses. Your complete response must be in the format A, B, C including the letter choice, commas, and a space after the commas. Part A: Which of the following best summarizes what microbes can do for us based on the text "A Brief Study of Guts"? Fill in blank 1 using B, C, or D. They help us overcome the effects of antibiotics. They help process nutrients and vitamins our bodies need. They work to keep our bodies healthy and resistant to disease. Part B: Select one quotation from the text that supports your answer to Part A. Add your selection to blank 1 using E, F, or G. Microbes are in the air we breathe, on the surfaces of everything we touch, and inside our bodies. Called The American Gut project, this study aims to understand the life of the bacteria that live in our digestive system. This new research suggests that bacteria are part of the protective army that keeps us healthy. Select one quotation from the text that supports your answer to Part A. Add your selection to blank 1 using H, I, or J. It seems clear from the early evidence that living with bacteria helps us resist invasion from things that make us sick. While many bacteria are very dangerous, we should perhaps be careful not to eliminate the good with the bad.