Answer: The primary focus of demography is population.
Explanation:
Demography is a scientific discipline that tells the movement of the population. Its primary function is to find the reasons for people's movements. In analyzing the factors that lead to population movements, demographics use huge data such as censuses, birth, death, and marriage records. By combining these data, demographics seeks to present accurate data. The demographic analysis encompasses broad social groups and defines them by various criteria such as education, religion, and nationality.
<span>The rising and falling of the tides happened twice a day and it would cause the water levels around Jamestown to rise and cause freshwater streams and welts to become brackish or salty. There is evidence that this salty water may have made some early settlers sick.</span>