Surveyors in the 16th century could measure latitude with great accuracy, but measuring longitude was much more difficult, mainly because there were not instruments for giving:

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

Which statements are accurate about snow flakes

What term is given to the border between the central alps and the southern limestone alps?