Which of the following is the best definition of dehydration? O A. Gain in water during a chemical reaction
O B. Loss of water during a chemical reaction
O C. The sharing of electrons between two atoms
O D. The transfer of electrons from one atom to another

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

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