Which of the Following Is True Regarding Harmonic Tremors

question 107

Multiple Choice

Which of the following is true regarding harmonic tremors?

• A)they are associated with the sharp release of energy when two pieces of land move against each other,as along a fault.
• B)they are produced by sub-surface movement of magma beneath a volcano.
• C)they are associated with movements in the crust caused by cities and traffic.
• D)they are produced by explosive volcanic eruptions.
• E)they are audible from the surface as a high pitched noise that indicates that the eruption is imminent.

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Definitions:

Direct Materials Cost

The cost of raw materials that are directly involved in the production of a product, easily traceable to the finished product.

Standard Direct Materials

The predetermined cost and quantity of raw materials expected to be used in manufacturing a product.

Standard Costs

Predetermined or budgeted costs serving as a benchmark for evaluating actual performance and cost control.

Cost Control

The practice of identifying and reducing business expenses to increase profits, involving the analysis and management of cost elements.