Shale is a clastic rock, meaning that it forms squeezed or cemented together.

Which of the following regions has what is considered the most rugged terrain in oklahoma? a. the wichita mountains b. the arbuckle mountains c. the sandstone hills d. the ouachita mountains

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

What volcanoes form on a divergent plate margin