Answer:
The largest cities in Ouachita Mountain subdivisions are: Hot Springs and Mena (Polk County). Other smaller county’s include: Mount Ida (Montgomery County), Glenwood (Pike County), Jessieville (Garland County), and Caddo Gap (Montgomery County).
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The Earth's geosphere is made up of iron, oxygen, magnesium, and silicon. All of these elements are chalcogens, or chemical elements.