Is a map usually much smaller than the part of the Earth's surface it represents?

Answer 1

Most of the time, yes. There are staggeringly rare exceptions, usually pertaining to archeaological or criminal investigations involving a room.

Answer 2

Yes, a map is typically much smaller than the part of the Earth's surface it represents due to the process of cartographic generalization, which involves simplifying and reducing complex geographical information to fit on a manageable scale. This reduction allows for easier navigation and interpretation of the map.