What Does an S-Wave Do to the Rock It Passes

question 162

Multiple Choice

What does an S-wave do to the rock it passes through?

• A)It lifts it up and down in a wavelike motion (perpendicular to the advancing wave front), distorting the rock's shape while holding its volume (and density)constant.
• B)It alternately compresses and expands the rock (like the bellows of an accordion)along the direction of the advancing wave.
• C)It causes the rock to wiggle from side to side as the wave advances.
• D)It causes the rock to move in little vertical circles as the wave advances.

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Definitions:

IAS 28

An International Accounting Standard governing the accounting for investments in associates and joint ventures.

Equity Method

An accounting technique used to assess the investments in other companies where the investor has significant influence but not full control.

Patent

A form of intellectual property right that grants the patent holder exclusive rights to an invention for a certain time period, preventing others from making, using, selling, or distributing the patented invention without permission.

Significant Influence

A level of control in an investment, usually signifying the ability to participate in financial and operating policy decisions of the investee without having full control.