Costa rica has the greatest density of in the world.

Species

Explanation:

The costa rica is one of the greatest density of the wildlife, species and the biodiversity worldwide.

The costa rica is also famous by the name national park that contain variety of species of birds and animals.

Costa Rica is consider as the most elevated thickness of biodiversity in the nation around the world. While incorporating only one third percent of the earth surface, the Costa Rica basically contain 4% of the species which is evaluated on the surface of the planet.

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

people cluster in places that have rich soil, fresh water, and mild climates.

explanation: