Which of the following are correctly matched? a) compound fracture; the fractured bone ends penetrate the skinb) non-displaced fracture; the fractured bone ends are misalignedc) incomplete fracture; the bone is broken throughd) linear fracture; the break is perpendicular to the bone's long axis

When analyzing tree rings, what do scientists assume a thin ring indicates?

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review

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