P, or Primary, Waves ____

question 52

Multiple Choice

P, or primary, waves ____.

• A) are characterized by alternate compression and expansion of rock
• B) are the slowest waves generated by an earthquake
• C) pass through liquids only
• D) move along Earth's surface only

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Definitions:

Prevalence

The proportion of a population found to have a particular condition at a specific time.

Small Correlations

Weak statistical relationships between two variables indicating that they are slightly related.

Statistically Significant

A determination in data analysis that suggests an observed effect is unlikely to have occurred by chance alone.

Ex Post Facto Design

Ex Post Facto Design is a research approach where investigators study variables after the events have occurred, analyzing the effects of naturally occurring differences without manipulation.