Which kind of volcano is considered the most highly explosive and most dangerous? hint: mainly found over subduction zones?

Distance that the transcontinental railroad covered from omaha to san francisco.

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location

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