Question

the term slum means
a noisy, busy city filled with many residents.
a busy neighborhood with apartment buildings.
an industrial neighborhood containing many factories.
a crowded area with run - down housing and high poverty.

Explanation:

A slum is characterized by over - crowded living conditions, deteriorated housing, and high levels of poverty. It is not just about being noisy, busy, having apartment buildings or being industrial.

Answer:

a crowded area with run - down housing and high poverty.