See the three answers posted this morning.
http://www.jiskha.com/display.cgi?id=1291818098
As a scientist, you are assigned the task of finding out if the disappearance of a particular fish species from a lake in the Northwestern United States is due to acid rain resulting from industrial air pollution. Identify alternative hypotheses that could explain the disappearance of the species. What is the advantage of formulating alternative hypotheses in a scientific study.
1 answer