For the Following Questions, Use the Diagram Below

question 382

Multiple Choice

For the following questions, use the diagram below:
Figure 21-7.
-Refer to Figure 21-7. Which of the following is correct?

• A)A wave of optimism could move the economy from point a to pointB
• B)If aggregate demand moves from AD₁ to AD₂, the economy will stay at point b in both the short run and long run.
• C)It is possible that either fiscal or monetary policy might have caused the shift from AD₁ to AD₂.
• D)All of the above are correct.

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Definitions:

Prehistoric Earthquakes

Earthquakes that occurred before recorded history, evidenced through geological formations and studies.

Seismic Recording Stations

Facilities equipped with sensitive instruments used to detect and record earthquakes and other ground vibrations.

Interferogram

The combining of satellite mapping images taken of a place at two different times to compare changes in the land surface, for example, during an earthquake.

Seismograms

Records produced by a seismograph that visually represent the vibrations of the earth, used to analyze and interpret seismic activity.