Click here for a question that needs to be answered quickly! Why is it necessary to collect data concerning populations?

To know how many people are alive their and living at all times, determining whether this burden is increasing or decreasing in the population as well as making assessments about whether certain segments of the population are more at risk for the disorder or its complications.

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.

answer; ///biological psychologists;