Answer:
demographics
Explanation:
The statistics about the human population fall into the category of the demography. The demography is part of the geographic sciences, more specifically of the socio-economic geography spectrum. The focus of the demography is the human population and its characteristics. In order to be able to have a proper data base, the demography is using statistics. Some of the things that this field is studying is ethic groups, racial groups, religious groups, birth rates and death rates, level of education, age structure, migratory patterns and many more.
The Himalayan Mountains created a natural protective barrier. Many civilizations have benefited from natural protective barriers. Egypt had the desert, Switzerland had the Alps, the Alps saved Rome too.
Well papyrus could be used as paper to write down the different types of food they have and to draw maps.
