Desalination of ocean water is expensive. which benefit of desalination makes the cost of the process worthwhile? dry seabeds can be refilled with freshwater. marshes can be drained to make space for houses. fresh drinking water is made available for human survival. more energy can be produced by hydroelectric power plants.

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