Match the Term with the Appropriate Phrase

question 19

Multiple Choice

Match the term with the appropriate phrase. You may use each answer once, more than once or not at all.
-seismic reflection profile

• A)used to map ocean floor from space
• B)cumulative plot of area versus depth or elevation
• C)measurement of ocean depth and seafloor topography
• D)a method of mapping the topography of the ocean floor along a strip up to 60 km
• E)used echo soundings in 1952 to identify mid-ocean ridge in South Atlantic
• F)used to determine ocean structure beneath the sea floor
• G)uses high frequency sound waves to measure ocean depth

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Definitions:

Million

A numerical value representing one thousand thousands, or 1,000,000, often used as a unit of measure in demographics, finance, and other areas.

Great Recession

A global economic downturn that occurred from 2007 to 2009, sparked by the collapse of the U.S. housing market and leading to high levels of unemployment and financial instability.

Dissolving

The process of a substance becoming incorporated into a liquid to form a solution, or metaphorically, the disintegration or ending of an entity or relationship.

Peace Dividend

The economic benefit and prosperity that results from the reduction of defense spending, typically occurring after the end of a major conflict.