Relacionar Columnas 2º de ESO: Unit 6: Human Geography of America and Africa.Versión en línea In this activity we have to find connections between ideas. The key factor is to know the differences that american and african continent present and the number of inhabitants who live in them. por Fernando Navarro García 1 Social, economic and political factors. 2 Represents one fifth of the Earth land mass. 3 640 millions of people 4 The social differences between human beings are more dramatic here. 5 37 millions of inhabitants 6 Life expectancy for men in Central and SouthAmerica 7 It is considered the most privileged part of the american continent. 8 328 millions of inhabitants 9 Two major countries with many cultural and commercial ties 10 The population exceeds 350 millions of people Causes that explain the emigration from south to the north United States Central and southamerica 71 years United States, Canada. Canada NorthAmerica The population of central and southamerica Africa Population of NorthAmerica