Transmission and scanning electron microscopy differ because
A. transmission electron microscopy has much higher magnification than scanning electron microscopy.
B. transmission electron microscopy shows contrast, but scanning electron microscopy does not.
C. transmission electron microscopy shows two-dimensional ultrastructure, while the scanning electron microscopy shows three-dimensional structure.
D. transmission electron microscopy uses light as an illumination source, while scanning electron microscopy uses electron beams as an illumination source.
E. transmission electron microscopy has high resolution, but scanning electron microscopy does not.
Answer: C
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