2 The changing climate might affect the amount of rain that

Last updated: 11/9/2023

2 The changing climate might affect the amount of rain that falls during different seasons Eighteen plots of open grassland each with an area 70 square meters were available for a study One response variable is total plant biomass produced in a plot over a year Kenwyn Suttle of the University of California at Berkeley and his coworkers wanted to compare the effects of three treatments added water equal to 20 of annual rainfall either during January to March winter or during April to June spring and no added water control Explain why it was necessary to include a control group that didn t get additional water