User: Paula Giese [pgiese@gold.tc.umn.edu] Subject: Circularity in pre-reqs Date: Mon May 29 16:53:11 EDT 199DComments: You've got the lessons on precipitation, evaporation, condensation as pre-reqs for the Water Cycle lesson, and for each of those 3, Water Cycle is a pre-requisite for it! Tsk.