Today along with traditional warning we can use _ to predict eruptions A. Weather satellites
B. sonar
C. Lasers
D. radar

Formidable obstacles of climate, terrain, and distance hinder exploitation of natural resources in russia. true false

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?

This map is depicting the 16th century route of what explorer? a) hernando de soto b) james oglethorpe c) sir walter raleigh d) juan ponce de leon