Question

which map is a two-dimensional representation of data in which values are represented by colors?

Answer 1

A heat map is a two-dimensional representation of data in which values are represented by colors.

Answer 2

A two dimensional representation of data on a map in which the important values are represented by colors is called a heat map.

A heat map is capable of providing us with a immediate summary visually of the map.

The map can be depicted in  various ways however representation through colors is common for all.