Mountains such as the Sierra Nevada's are which type of mountain? A: Folded
B: Extinct
C: Volcanic
D: Fault-Block

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

¿cual es mas alta en baja california,la migracion o la inmigracion?

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?