What Causes the Velocity of a P-Wave to Speed Up

question 30

Multiple Choice

What causes the velocity of a P-wave to speed up when it enters the inner core?

• A) The inner core is a much more dense material than the outer core.
• B) The inner core is a much less dense material than the outer core.
• C) The inner core is liquid,and thus the wave speeds up.
• D) The P-wave no longer has to compete with the S-wave for energy.

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Definitions:

Stretch Goals

Highly ambitious or challenging objectives set beyond current capabilities and resources, intended to motivate and push individuals or teams to achieve greater accomplishments.

Total Effort

The full allocation of one's energy and resources towards achieving a task or objective.

Motivation

The intrinsic or extrinsic factors that stimulate people to act or behave in a certain way.

Moralizing

The act of expressing opinions about the rightness or wrongness of actions or behavior, often in a judgmental way.