Why is fiber necessary in a persons diet?

What would be the most likely result if the ph of the stomach were increased to 5

Regarding most of the narrator’s story, which word best describes the tone?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time