14. During abrasion, glaciers wear away Earth's surface by dragging embedded rocks. Which
of the following actions is most similar to
glacial abrasion?
A. Truck tires make deep tracks on a muddy
trail.
B. A piece of sandpaper is used to remove
paint.
C. A hose is used to spray leaves off of a
patio.
D. Ants carry sediment to a new location to
build a hill.

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.