Topographic maps are a type of map that show the relief of an area using contour lines to highlight elevation changes. Topographic maps have multiple uses from individuals who go hiking and orienteering to higher level uses in the fields of mining or civil engineering. Other fields which use topographical maps are geologists or architects or engineers constructing large scale architectural projects.
The answer would be option 3 zero
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Magnesium is a mineral I believe the rest are vitamins
