Which geographer emphasised the concept of the 'unity of nature' in his work 'Kosmos'?

Which of the following geographers first gave the concept of 'Social Darwinism' in geography (the state as an organism)?

Who among the following geographers is related to 'primate city' concept?

Which branch of Geography is concerned with the study of population, migration and urbanization?

Which one of the following pairs (Theory of urban morphology - Geographer) is NOT correctly matched?

The geography of the 1990s and the subsequent period is included in which paradigm?