homer notices that his shower is covered in a strange green slime. His friend Barney tells him that cocnut juice will get rid of the green slime. Homer decides to check this out by spraying half the shower w/ coconut juice. he sprays the other half of the shower with water. after 3 days of treatment there is no change in apperance of the green slime on either side of the shower

what was the initial observation?
identify the
control group
independent variable
dependent variable
what should homer's conclusiion be?