Question 80·Medium·Command of Evidence

ethanol dropped from about 70% to about 40%, a larger decrease over that interval than either bleach (about 40% to 10%) or soap (about 85% to 80%).

bleach dropped from about 40% to about 30%, a smaller decrease over that interval than ethanol (about 70% to 55%) but larger than soap (about 85% to 80%).

bleach dropped from about 40% to about 10%, a larger decrease over that interval than either ethanol (about 70% to 55%) or soap (about 85% to 80%).

soap dropped from about 85% to about 55%, a larger decrease over that interval than either bleach (about 40% to 10%) or ethanol (about 70% to 55%).