A geographer studying the populations of the neighborhoods in São Paulo, Brazil, has a physical map. She wants to compare it to another type of map to understand how population size compares to land size. Which type of map would serve this task?

A cartogram changes the size of geographic areas to represent a statistic, such as population. Comparing a population cartogram with a physical map would help show how population size relates to land area. A historical map shows past conditions, a political map shows boundaries, and an isoline map connects places with equal values.

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