To Study Some Effects of Alcohol Consumption,Dr

question 149

Multiple Choice

To study some effects of alcohol consumption,Dr.Chu tested the physical coordination skills of 21-year-old men who had just drunk either 4,2,or 0 ounces of alcohol.In this study,the independent variable consisted of

• A) the age of the research participants.
• B) the physical coordination skills of the research participants.
• C) the amount of alcohol consumed.
• D) the effects of alcohol consumption.

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Definitions:

Cutoff Meanders

These are bends in a river that have been isolated from the main flow due to the river carving a shorter path.

Braided Stream

A network of river channels separated by small, often temporary, islands called braid bars, typically found in areas with high sediment supply.

Sinuosity

The measure of how much a river or stream meanders or the degree of its winding path.

Point Bar

A sedimentary formation consisting of alluvium, built up along the inner curve of rivers and streams beneath the slip-off slope.