A packaging plant manager wants to know if lowering the air temperature in the packing room will cause workers to increase produ
ctivity (number of products packed). Workers in two equivalent packing rooms participate in the study. One room is maintained at 65°F, while the other room is left at the usual temperature of 76°F. Independent Variable _______________________________________________________
Dependent Variable ¬_________________________________________________________
Experimental Group ________________________________________________________
Control Group _______________________________________________________________
Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today.
