Economic Mobility in the United States Is

question 288

Multiple Choice

Economic mobility in the United States is

• A)great, so many of those below the poverty line are there only temporarily.
• B)rare, so most of those below the poverty line are there for decades.
• C)rare, yet many of those below the poverty line are there only temporarily.
• D)unrelated to poverty.

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Definitions:

Lahar

A mudflow mostly composed of volcanic-derived materials and generally formed on the flank of a volcano.

Composite Volcanoes

Volcanoes constructed from multiple layers of lava flows, volcanic ash, and other volcanic debris, characterized by steep profiles and periodic explosive eruptions.

Lahars

Volcanic mudflows or debris flows that occur when volcanic materials become saturated with water and rapidly move down slopes.

Pyroclastic Column

A dense, vertical cloud of hot volcanic ash, gas, and debris that rises from a volcanic eruption, capable of causing widespread destruction.