During the middle ages, the city of Constantinople was A
the largest city in the world

B
protected by high mountains and deserts

C
the holiest city to Christians

D
the home of the Pope

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

In order from largest to smallest what are earths five main oceans

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?