DEVELOPMENT
Complete the statement below.
are large pieces of the upper few hundred
kilometers of Earth that move as single unit as it floats above
the
The plates are in constant motion. As
along their margins, important
they interact
take place, such as the formation
of mountain belts, earthquakes, and volcanoes. The places
on earth where most of the earthquakes originated or some
mountains and volcanoes were formed mark the boundaries
of each
Each plate is slowly moving
relative to each other causing geologic events to happen
along their