The Skipping and Bouncing Action of Saltation Accounts for

question 20

Multiple Choice

The skipping and bouncing action of saltation accounts for

• A)hydraulic lifting by air movements.
• B)the transport of very small grains,smaller than 0.01 mm in diameter.
• C)about 80 percent of wind transported particles.
• D)little or no surface creep.
• E)is directly related to the suspension of particles in the air.

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Definitions:

Sampling Distribution

Chance distribution specifics for a statistic based on a random sampling method.

Sample Mean

The average of the observations in a sample, used as an estimate of the population mean.

Sampling Distribution

The distribution pattern of a statistic that emerges from analyzing a large collection of samples taken from a specified group.

Sample Mean

The average value of a sample set of numbers, calculated by adding them together and dividing by the number of samples.