The region's unpredictable politics and poor economic conditions have led to this migration pattern
A) eastward expansion into Siberia
B) movement into southern Russia for agricultural opportunities
C) young, well-educated populations leaving Russia for other countries
D) Jewish populations within Russia returning to Russian cities from Israel and the U.S.
C
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A map is usually much smaller than the part of the Earth's surface it represents
Indicate whether the statement is true or false.
Placer deposits are expected in what type of rock?
A) igneous B) sedimentary C) metamorphic D) hydrothermal
The highest murder rates within Latin America tend to be found in
A) Guatemala, El Salvador and Honduras B) Argentina, Chile and Uruguay C) Belize, Paraguay and Venezuela D) Ecuador, Peru and Bolivia E) Nicaragua, Costa Rica and Panama
Consider the scenario in which the minimum temperature drops to 1ºC on a clear night, and fog forms early in the evening the next night. Which of the following describes why it is likely that the minimum temperature will not be as low on the second night?
A. calm winds that accompany fog B. enhancement of the greenhouse effect by the fog cloud C. trapping of smoke and dust by the water vapour D. increased reflection of solar radiation by fog