Earth's Internal Layers Were Discovered by Studying the Propagation of P-

question 75

Multiple Choice

Earth's internal layers were discovered by studying the propagation of P- and S- waves through Earth's interior. In comparison to S-waves, the movement of P-waves is

• A)fast, compressing and expanding the rock as they move through it.
• B)fast, vibrating the rock particles up and down and side-to-side.
• C)slower and can travel through solid granite, magma, water or air;
• D)slower and can travel only through solids, not liquids.

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Definitions:

Stock Options

Financial instruments that give an employee the right to buy or sell the company's stock at a predetermined price within a specific period.

Scanlon Plan

A participative management approach that focuses on improving productivity and sharing the resulting cost savings with employees.

Collective Stock Options

A form of employee incentive where groups of workers are granted options to buy company stock at a discounted price.

Profit-Sharing Plan

A company program that gives employees a share in the company’s profits based on its quarterly or annual earnings, serving as a tool to motivate and reward employees.