Question

What is a hemisphere? A. the line of longitude known as the prime meridian B. one-fourth of the area on Earth C. the line of latitude known as the equator D. a half of the world, split by either the prime meridian or the equator

Answer 1

a half of the earth, usually as divided into northern and southern halves by the equator, or into western and eastern halves by an imaginary line passing through the poles.