Which Geographic Phenomenon Is Most Responsible for the Constant Threat

question 55

Multiple Choice

Which geographic phenomenon is most responsible for the constant threat of earthquakes along the Pacific coast?

• A) Magma underneath Earth's surface is pressing up on the crust with increasing pressure.
• B) The Pacific Plate and the North American Plate are presently rubbing up against each other.
• C) Pressure from increased ocean mass caused by global warming is creating structural instability underneath the continent.
• D) Great quantities of industrial chemicals have leached into Earth's crust,causing a breakdown in its composition.

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Definitions:

Sampled Population

The subset of individuals or items selected from the entire population for the purpose of statistical analysis.

Population Mean

The average value of all the members of a population.

P-Value

The probability of observing results at least as extreme as those in a data set, given that the null hypothesis is true.

Hypothesis Testing

A statistical method used to decide whether a hypothesis about a parameter in a population is supported by the data gathered from a sample.