The Earth's shifting surface areas is best described by the theory of

A. plate tectonics.

B. water damage.

C. erosion.

D. weathering.

Plate Tectonics.

As the plates shift and move, it causes the Earth’s surface to feel the effects, causing area to move as well. This also explains how earthquakes (and sometimes volcanoes!) form.

Hopefully that helps!

:)

according to classical republican political theory, which democratic republics would function best?

a.   small republics, with people who had similar interests

b.   large republics, with people who had competing interests

c.   republics made up entirely of landowners

d.   republics made up entirely of servants