What prokaryotic oranism shows up as the earliest fossils? a, archaea b, echinoderms c, algae d, cyanobacteria

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.