Google states, "A topographer is a specific type of cartographer. Topographers use contour lines to create 2-dimensional representations indicating the 3-dimensional aspects of portions of the earth's surface. Increasingly, these maps may be created digitally as well as on paper."
In simpler terms, a topographer surveys land and created representations of it.
Based on the options given, the most likely answer to this query is depression and heart disease are correlated, and the risk of heart disease can be reduced by treating depression.
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Answer:
what exactly is that question.