Dr. cooke wanted to know if a drug was more effective than a placebo. she gave one group the real drug and measured its effectiveness, and gave the other group the placebo and measured its effectiveness. dr. cooke is doing a(n):

the answer is experiment for Apex

answer; /// the only one of the above that makes good sense is ( the poor,plz check luck

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.