Certain seismic waves travel as?

a. electromagnetic and transverse waves.
b. visible light and longitudinal waves.
c. longitudinal and transverse waves.
d. compression and visible light waves.

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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