. Dr. Brown has hypothesized that wetland plants will take up common pollutants from municipal wastewater that are not completely removed during the treatment process. The wastewater is typically discharged directly into a creek. She constructs a wetland just downstream of the treatment plant and pumps a portion of the discharge water through the wetland. After moving through the wetland, the water will eventually make it to the creek. Dr. Brown measures the concentration of three common pollutants in the wastewater before it enters the wetland and again at the end of the wetland prior to discharge into the creek. Using the scenario above, address the following scientific methods:
2. Dr. Brown has hypothesized that wetland plants will take up common pollutants from municipal wastewater that are not completely removed during the treatment process. The wastewater is typically discharged directly into a creek. She constructs a wetland just downstream of the treatment plant and pumps a portion of the discharge water through the wetland. After moving through the wetland, the water will eventually make it to the creek. Dr. Brown measures the concentration of three common pollutants in the wastewater before it enters the wetland and again at the end of the wetland prior to discharge into the creek.
Using the scenario above, address the following scientific methods:
a. Model used
b. Independent and dependent variables
c. Treatment groups (if applicable)
d. Recommended controls (positive and neggative, if applicable)
e. Extraneous factors that should be accounted for.
f. Provide an explanation as to why you identified the variables, treatments, controls, and controlled variables that you did.
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