B, d. is earth's orbit around the sun
<u>Answer:</u>
A geographer would collect a city's historical data about the census and the occurrences of natural disasters in order to study the impact of demographics and calamities on the geographical features of the region.
<u>Explanation:</u>
- The discipline of Geography is made up of two broad classes. One is Physical Geography and the other is Human Geography.
- These two classes are interdependent and their functioning is coherent.
- The study of a region's Geography is incomplete without the studies of the region's demography and the occurrences of natural disaster in the region, for their impact on the regional geography is immense.
Germany is the right answer! There are also other countries with a chancellor head.
The country is Madagascar
Social, cultural and economic factors influence fertility, mortality and migration rates. Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. Age and sex are main demographic factors that affect the migration.