Demographers are scientists who study human populations. They tend to map and understand the dynamics of population, which includes birth, death, and migration. All of these affects population and must be studied by demographers. They may study the population change within a country or the interrelationship of countries' populations, which is mostly necessary in studying migration. However, they could also take specialization. For example, they could study only parts of the population like workers' social pattern. Demographers mainly use statistics in mapping their data.
True - Experts Of security are in high demand because there is an shortage in workers in that area
Which happened first? Heavy snow happened first in the Himalaya's. I think/know this because when you look up the Himalaya's, the scenery is perfect for sledding and skiing.
<span>Similar fossils were found on different continents. </span>
