involved! ^^ Fisherman at Reelfoot Lake, in Northwest Tennessee, noted a drop in the number of catfish. What is the most reasonable conclusion, based on the data provided? A)The pH of the rain will not affect the fish that live in the lake.
B)The pH of the rain falling into the lake is of level that it is killing the adult fish.
C)The pH of the rain falling into the lake is of level that it is affecting fish reproduction.
D)The pH of the rain falling into the lake is of level that it is both affecting fish reproduction and killing adult fish.

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos