The natural force of an earthquake has the potential to be catastrophic. _____________ over one million earthquakes occur each year, many of them are not felt. However, earthquakes have the ability to be devastating. 

The natural force of an earthquake has the potential to be catastrophic. Although over one million earthquakes occur each year, many of them are not felt. However, earthquakes have the ability to be devastating. 

Many injuries often result from the damage and ______________ of buildings and bridges, especially in the more heavily populated areas.

Many injuries often result from the damage and collapse of buildings and bridges, especially in the more heavily populated areas.

Landforms often change as a ___________ of earthquakes. Sunken ground, avalanches, and landslides are just a few changes that may occur.

Landforms often change as a result of earthquakes. Sunken ground, avalanches, and landslides are just a few changes that may occur.

The plates of the earth may___________in three different ways. The plates may collide, pull apart, or slide.

The plates of the earth may move in three different ways. The plates may collide, pull apart, or slide.