Two states of matter are described below. State A: Changes shape and volume State B: Changes shape but not volume Which combination of the state and a substance in that state is correct? State A = juice; State B = block of wood
State A = hydrogen; State B = block of wood
State A = oxygen; State B = juice
State A = air; State B = neon

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.