The map shows lines that measure distance. On the map, what do the letters A and B identify?

A is the equator, and B is the meridian.
A is the prime meridian, and B is the equator.
A is the prime equator, and B is the meridian.
A is the equator, and B is the prime meridian.

Which best describes the purpose of the south carolina exposition and protest, which was written by john c. calhoun? a) to explain why the south was nullifying the tariff of 1828 b) to describe the ways the tariff of 1828 would southerners c) to persuade northern states to rebel against the federal government d) to ask england for if the south decided to secede from the union

One result of recent migration trends is that the workforce in europe has become

Roman builders used rows of arches in there buildings to form a curved ceiling called what