What are selective immigration policies?
What will be an ideal response?
Answer: Most countries adopt a selective immigration policy that excludes unwanted migrants and includes more desired ones. European countries that once maintained inclusionary policies to attract guestworkers from North Africa and the Middle East are today trying to limit immigration from these regions in favor of Europeans.
The United States uses immigration caps to limit the number of persons coming from di?erent countries. At the same time, the U.S. government provides special permission to highly desirable immigrants. One way of imposing a selective policy is through government issued visas that require a migrant to gain permission to enter a country before arriving there. Special work or residency permits may also be used.
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Annual and monthly averages of which of the following factors are used in the Köppen system for classifying climates?
A. ocean levels and surface pressure B. population density and agricultural output C. precipitation and stream runoff D. temperature and precipitation
A rock at the top of a slope that starts to roll down, it is losing kinetic energy and gaining potential energy.
Answer the following statement true (T) or false (F)
What rock openings are commonly associated with earthquakes?
A. solution cavities B. lava vesicles C. faults D. joints E. microscopic openings
Which of the following is NOT a problem being addressed by environmental scientists?
A. Providing clean drinking water. B. Creating a better transportation system for food distribution to the populace. C. Finding resources for a human population growing at almost 80 million people a year. D. Assessing and finding solutions to climate change. E. Creating processes that promote sustainability in everyday life.