The hierarchical (also known as cascade)diffusion pattern by which HIV/AIDS spread across the world is characterized by moving across the world's
A) lowest income countries.
B) major urban areas.
C) most popular tourist areas.
D) island countries.
E) tropical regions.

Question

Quizplus · Accepted Answer

The hierarchical diffusion pattern of HIV/AIDS spread across the world is characterized by starting in major urban areas and then moving to other areas. This is because major urban areas have higher population densities, more transportation routes, and more social networks, which facilitate the spread of the disease.

The Hierarchical (Also Known as Cascade)diffusion Pattern by Which HIV/AIDS