Answer:A map projection is used to portray all or part of the round Earth on a flat surface. This cannot be done without some distortion.
Step-by-step explanation:
Map projection is the method of transferring the graticule of latitude and longitude on a plane surface. It can also be defined as the transformation of spherical network of parallels and meridians on a plane surface. It is geoid in shape like a sphere. A globe is the best model of the earth.