Answer:
• (a)Greatest population density: Romania.
,
• (b)Least population density: U.S.
Explanation:
The population density of any region is the ratio of the population to the area.
In order to answer the given questions, first, find the population density for each of the given countries using the formula:
[tex]\text{ Population Density}=\text{ }\frac{Population}{Area}[/tex][tex]\begin{gathered} US:\frac{272,648,000}{9,364,520}\approx29\text{ people per square km.} \\ Romania:\frac{22,609,000}{237,391}\approx95\text{ people per square km.} \\ Ghana:\frac{18,339,000}{237,533}\approx77\text{ people per square km.} \end{gathered}[/tex]
(a)The country with the greatest population density is Romania.
(b)The country with the least population density is U.S.
