Which feature of a sandstone rock layer usually is
the youngest?explain

A. sand grains that make up the rock

B. cement that binds the sand grains together

C. fossils found in the rock

D. faults that have broken the rock

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.