The Main Reason That Deep P and S Seismic Waves

question 90

Multiple Choice

The main reason that deep P and S seismic waves do not travel in straight lines inside Earth is that

• A) Earth is spherical,and the waves follow the shape of the surface of Earth.
• B) they cannot travel through molten regions,and thus reflect back toward the surface of Earth.
• C) they reflect and scatter off numerous irregularities and faults inside Earth.
• D) their speed changes with changing density,causing the waves to refract.

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Definitions:

Maslow's Hierarchy

A theory in psychology proposed by Abraham Maslow, which outlines a hierarchy of human needs from basic physiological needs to self-actualization.

Price Elastic

The degree to which the demand for a product changes in response to a change in its price.

Price Inelastic

Characterizes a situation where the demand for a good or service does not significantly change with a change in its price.

Price Volatile

Refers to sudden and significant price changes within short periods, often seen in markets for commodities or securities.