What is an example of a physical weathering? (1 point) O microscopic organisms producing compounds that break down rock
O bits being blown off a rock by heavy winds
O a rock wearing down due to acid rain
O a metal tool left outside beginning to rust

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.