The Powell River has a meandering pattern. Is it flowing across a flat floodplain? How do you know?
The question is based on Map T-6, the “Johnson City, Tennessee-Virginia-Kentucky- North Carolina” topographic map (scale 1:250,000; contour interval 100 feet). This map shows a portion of the Appalachian Mountains at the Tennessee, Kentucky, and Virginia border 136°39'30"N, 83°01'05"W). Figure 41-4 is a satellite image of this same region (to view this image, scan the QR code for this exercise or go to the Hess Laboratory Manual website and Exercise 41).
What will be an ideal response?
No, River is meandering around hills.
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In a fractionating tower, the crude oil vapors pass from a pipe still into the column. Tar and lubricating stock are the first components to be pulled off at the bottom. Nearer the top kerosene is pulled off followed by gasoline and finally natural gas at the very top. From this information, which has a higher boiling point, gasoline or kerosine?
A. Their boiling points are the same, but kerosene has the greater density. B. Gasoline has the higher boiling point. C. Fractional distillation components are pulled off based on molecular weight, so it is not possible to know which has the higher boiling point from the information given. D. Kerosene has the higher boiling point.
The nuclear power accidents at Chernobyl and Three Mile Island are less likely in most modern U.S. nuclear power plants today because of
A) the use of different types of fuels in the nuclear cores that cannot cause a total meltdown. B) increased reliance on robots to avoid human errors. C) additional design features that provide more layers of safety. D) new nuclear power plant designs that require only 1% of the nuclear fuel.
Should Europe welcome or curtail these diverse migrants? Defend your answer
What will be an ideal response?
Stress is ________.
A. change in volume B. change in length to original length C. regional metamorphism D. force per unit of area