deciduous forest biome<span> occupies most of the eastern part of the United States </span>
At low latitudes, the thermocline is a zone of rapid temperature
over a relatively short depth. it is associated with a similar depth zone marked by a change in density called the pycnocline.
External migration takes place for educational or economic reasons as well, but often, it is politically motivated. An international migrant is someone who moves to a different country. Simply, internal migration refers to the movement of people within a country.
Answer: I believe the answer is mountains.