Roman money began to lose its value when
a.
the government circulated less money
b.
less silver was used in coins
c.
persian gold replaced roman coins
d.
emperors kept changing currency

Why does a tidal bulge occurs on opposote sides of earth

:calculate the sum of the interior angles of a 13-sided polygon.

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].