In recent years, the duration of residency for unauthorized immigrants to the United States has been
A) decreasing.
B) increasing.
C) relatively constant.
D) has averaged only 2 years.
E) unknown since the immigrants are unauthorized.
Answer: B
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The composition of the mantle is:
a. peridotite. b. basalt. c. granite. d. iron. e. iron and nickel metal
Which form of renewable energy is produced by power plants in Iceland, accounting for 66 percent of Iceland's primary energy use?
A) Hydroelectric power B) Solar power C) Tidal energy D) Geothermal power
What influences the shape of the cone of depression?
A) the rock type and the depth of permeability B) the elevation of the aquifer compared to the well depth C) balance between pumped water and ground-water flow toward well D) the size of the aquifer
Discuss the branch of geology called stratigraphy and how the fundamental geologic principles
are used to unravel stratigraphic relationships. What will be an ideal response?