1. Identify FOUR features of population dynamics

When scientists think about population dynamics, they consider four major characteristics. These characteristics include: population size, population density, population spacing, and age structure.

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.