How do minerals affect soil productivity?
a. minerals increase soil productivity by increasing the rate of water absorption.
b. minerals in the soil can eventually be used for plant growth and production.
c. minerals in the soil decrease the rate of plant growth and therefore productivity of the soil.
d. minerals have no measurable effect on soil productivity.

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.