What divides antarctica into two regions?
a. the ross sea
b. the antarctic peninsula
c. the weddell sea
d. the transantarctic mountains

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

Eastern europe and parts of northern europe have which of the following climates?

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today