Most of an Earthquakes stress is caused by? 

Which person received one of the first land grants from Spain to act as an empresario that allowed him to establish a settlement in Texas?

_________ percent of the Earth’s surface is covered by sedimentary rocks. 

Currently, there are more Texans over the age of 65 than there are Texans under the age of 18.

The Texas Constitution has many more amendments than the U.S. Constitution.

Rocks are constantly changing due to the _____________. 

Earthquakes are recorded on a __________. 

Where does Texas rank among state in population?

The ratio of the mass of a substance to its volume. 

Interaction that will result in a subsequent characteristic x-ray emission to fill inner shell vacancy