Answer:
Migration is the movement of people from one permanent home to another. This movement changes the population of a place. International migration is the movement from one country to another.
The population of any given area can only change through three processes: birth, death and migration. Health departments at the state and local levels keep fairly complete records of births and deaths, but information on gross migration flow—in or out—is practically non-existent. The net effect of migration on population size can be reasonably approximated, however, from census counts and vital statistics. Using data provided by the Indiana State Department of Health, along with 1990 and 2000 census counts, the Indiana Business Research Center estimates that net migration, the difference between inflows and outflows, accounted for 216,000 new state residents in the 1990s—40 percent of Indiana's total population increase for the decade.
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Answer:
Explanation:
At the point when you're focused on, your breathing examples change and cause strain and pressure in the mid-back. Your shoulders hunch up and cause torment all through the upper and center back. Low-back torment incorporates the tailbone and lower half of the back muscles. These muscles influence adaptability and posture.
A. Microorganisms can have both positive and negative effects on other organisms
