A choropleth map (from Greek χῶρος "area/region" and πλῆθος "multitude") is a type of thematic map in which areas are shaded or patterned in proportion to a statistical variable that represents an aggregate summary of a geographic characteristic within each area, such as population density or per-capita income.
Answer:
21 states have been the birthplace of presidents.
<span>Since the congress must exercise as the overseer of all federal agencies, thus they must decide on the need for new rules/laws and make sure the old laws are still adequate.</span>
Answer:I really dont know either
Explanation: I need help also