Rigor mortis occurs because . Group of answer choices proteins are beginning to break down, thus preventing a flow of calcium ions sodium ions leak into the muscle causing continued contractions the cells are dead no ATP is available to release attached actin and myosin molecules

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

If it turned out dinosaurs were colorblind, how would this affect some assumptions scientists have made about them?

The table below describes geological events. event boundary where they occur convergent divergent transform a yes no no b yes yes no which statement is most likely correct? answers: 1). event a represents earthquakes and event b represents the formation of ocean basins. 2.) event a represents the formation of ocean basins and event b represents earthquakes. 3.) event a represents volcanic eruption and event b represents the creation of mountain ranges. 4.) event a represents the creation of mountain ranges and event b represents volcanic eruption.