In a particular dialect of English, the sounds [s] and [ʃ] n…

In a particular dialect of English, the sounds [s] and [ʃ] never occur in the same phonetic environment: [s] appears before front vowels (e.g., [i, e]) and [ʃ] appears before back vowels (e.g., [u, o]). Based on this distribution, what can you conclude about the phonological relationship between [s] and [ʃ] in this dialect?

State whether each of the following indicates negative or po…

State whether each of the following indicates negative or positive feedback:  Part of the complex biochemical pathway of blood clotting is the production of an enzyme that forms the matrix of the blood clot. This has a self-catalytic, or self-accelerating effect, so that once the clotting process begins, it runs faster and faster until, ideally, bleeding stops. [BLANK-1]