1) sally and maria hypothesized that earthworms lived only in dark, damp places. they measured a one-meter square in a shady spot near a stream. they dug through the soil and collected earthworms. they collected 43 worms. what should the girls do to reach a valid conclusion for their hypothesis? a) repeat the experiment in another shady spot. b) nothing. they carried out a valid experiment. c) repeat the their steps in different locations, including sunny, dry, and wet. d) repeat the dig on a larger area near the stream.