Choose all the answers that apply. The atmosphere: is mostly made of oxygen
protects earth from harmful radiation
is divided into different layers
is mostly made of nitrogen
includes all the water on earth

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.