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• john snow, an english physician, has observed that disease is becoming more prevalent in a local neighborhood and he wants to know why. he collects information about the local people, including how many family members contracted the disease and where they live. john discovers that the disease is most common in homes located closest to the town’s water pump. john contrives an explanation: that the illness is waterborne and people are contracting the disease from water they retrieve from the town’s water pump. after petitioning the authorities, the handle at the pump is removed.

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This question is incomplete because you are missing an option. The missing section is:

What geographical principle explains the importance of Snow's research?

A. When a city removes natural resources from its landscape, those resources become insignificant.

B. In the area of ​​urban land use, there is also an important relationship between nature and society.

C. Once water enters a city land use area, it is no longer considered a natural resource.

D. The prosperity of a society is determined by environmental factors such as the availability of natural resources.

e Societies leave cultural imprints on the land, such as the patterns of roads and water systems.

The answer to this question is:

B. There is also an important relationship between nature and society in the area of ​​urban land use.

One of the principles of geography is that human societies are closely related to geographic elements, including the body's water. This principle is illustrated in the examples given as it demonstrates the dependence of human societies on natural bodies of water for their water supply. In addition, changes in water sources or water systems, including contamination by bacteria such as cholera, affect human societies through increased mortality and morbidity. This means that there is a relationship between nature and society even in rural areas with altered nature and geographic factors (option B.).

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