Which of the following statements is a scientific hypothesis(that is, it makes a testable predictions). Choose only one A. Even though no one else can see him, the ghost of my dog lives in my backyard.
B. The Atkins diet helps people lose more weight and keep it off than weight watchers do.
C. People born under the sun sign Aquarius are kinder and cuter than those born under Scorpio.
D. It is unethical to text while driving .
S. None of the above

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