Which information does a geographer avoid using when defining regions?

When defining regions, geographers avoid using subjective information in determining boundaries.

Explanation:

It is very important for a geographer to define regions so that  they can  differentiate  between the physical features (Mountain Ranges ,River etc) of the various geographic region in question

Explanation:

The Geographers avoid using subjective information which is based of people reviews about the region,personal opinions,unclear data.

Geographers also avoid using previously stated facts as they are subjected to change over a period of time

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