Please answer the following questions and show all your work: 1) We team up with a local watershed management group. We are helping them with a study on water quality in the various sub-watershed areas by testing water in various water bodies (lakes, ponds, streams, rivers, bays). Out of 200 water bodies, we plan to test at 25 of them, looking at items like oxygen content, turbidity (cloudiness), temperature, and native species/ invasive species present. a) What are the Subjects of our study? b) What is the Population? And what is the Sample? c) What are some of the Variables we are going to measure