if a microscope has a eyepiece lens with a power of 25X and an objective lens with a power of 50X, what is the microscope's total magnification power?

What are four key elements of the study of economics?

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt