5) This population distribution is best explained by A) recent movements of people's due to the Arab Spring.
B) previous migrations of colonial people's to imperial capitals.
C) the reluctance of European Union members to admit foreign peoples to their nations.
D) the willingness of European Union members to admit foreign peoples to their nations.

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

Why slip off slopes are found on the inside of meanders? why river cliffs are found on the outside of meanders?

Extensive and unusual cold snaps have occurred here recently. is this evidence that global warming is lessening or not occurring? no—although the long-term trend is for warming, short-term weather patterns can still be variable. no—melting of glaciers and ice caps is making the oceans cooler, which can cause cold snaps. yes-- if global warming really were occurring, cold snaps wouldn’t happen. yes—due to global warming, weather patterns should be become less—not more—variable.