Respuesta :
Answer:
4
The majority of people are of pre-reproductive ages in a broad-base pyramid age structure diagram.
Explanation:
Disease is density-dependent because transmission occurs more easily when a population is large & crowded
Answer:
The age-structure diagram would be column-shaped with all age classes approximately equal.
Explanation:
Zero population growth is when a certain population (within a city or country) does not grow or decline. It is considered by others as a way to reach a stable environmental and economic status, thereby stabilize the country's growth.