A HALF A SPHERE

AN IMAGINARY LINE DRAWN AROUND THE EARTH

PRIME MERIDIAN THE EARTH'S ZERO OF LONGITUDE

EXPLANATORY TABLE OF SYMBOLS USED ON A MAP OR CHART

RELATIONSHIP BETWEEN DISTANCE ON A MAP AND CORRESPONDING DISTANCE FROM THE NORTH TO SOUTH POLE

A CIRCLE SHOWING THE PRINCIPAL DIRECTIONS PRINTED ON A MAP OR CHART.

PHYSICAL MAPS INDICATE THE LOCATION OF LANDFORMS LIKE MOUNTAINS

A POLITICAL MAP SHOWS INFORMATION SUCH AS CITIES, CAPITALS,& STATES

HEIGHT ABOVE A GIVEN LEVEL, ESPECIALLY SEA LEVEL

ANGULAR DISTANCE OF A PLACE NORTH OR SOUTH OF THE EARTH'S EQUATOR

THE ANGULAR DISTANCE OF A PLACE EAST OR WEST OF THE MERIDIAN

a term which has little real meaning, since any location

A NATURAL FEATURE OF THE EARTH'S SURFACE