A Giant factory farm uses large open lagoons to treat waste from the buildings where hogs are stored. The problem is that the lagoons smell awful and, during rainstorms, they are at risk of spilling into surrounding river systems. Design a solution that resolves the smell and water contamination risk and allows the farm to continue to raise hogs.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !