Railroad Carloadings Have Declined Since 1900

question 14

Multiple Choice

Railroad carloadings have declined since 1900.What is the primary reason for the decline?

• A) competition by foreign transportation
• B) fuel efficient smaller cars
• C) reduction in line trackage
• D) larger cars and increasing car productivity

Recognize the importance of validation rules at field and table levels for data accuracy.

Know how to utilize aggregate functions for data analysis within Access.

Understand how and when to employ queries for data analysis, including the use of wizards and special query types.

Grasp the concept of multivalued fields and their management in Access databases.

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Definitions:

Landslide

The movement of rock, earth, or debris down a slope due to gravity, often triggered by factors like rain, earthquakes, or human activity.

Collapse

the process of something falling down or caving in suddenly, often due to structural failure.

Tsunami

A series of ocean waves with extremely long wavelengths caused by large-scale disturbances such as earthquakes, volcanic eruptions, or underwater landslides.

Recurrence Intervals

The average time between events such as earthquakes, floods, or volcanic eruptions, used in risk assessment and planning.