AP Human Geography Exam Prep FREE Sample Exam

On a map with a representative fraction of 1:50,000, two trailheads are 4 centimetres apart on the page. What is the straight-line ground distance between them?

1 kilometre

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2 kilometres

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5 kilometres

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20 kilometres

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A surveyor finds that a straight canal measuring 6 kilometres on the ground is drawn 3 centimetres long on a plan. What is the representative fraction of the plan?

1:20,000

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1:2,000,000

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1:200,000

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1:18,000

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A road map states that 1 inch equals 2 miles. Expressed as a representative fraction, the scale is closest to (1 mile = 63,360 inches)

1:126,720

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1:31,680

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1:63,360

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1:253,440

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To estimate how many homes lie within 300 metres of a proposed quarry’s haul road, the core GIS operation is to

georeference the road map

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classify the homes layer by value

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draw a 300-metre buffer around the road and count the home points falling inside it

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convert the homes layer to raster

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A team must model soil moisture, a quantity that varies continuously across every part of a field with no natural boundaries. The most natural data model is

vector polygons with one moisture value per farm

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a flow line from wet to dry areas

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vector points at each farmhouse

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raster cells, each storing a moisture value for its location

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A raster layer uses square cells 30 metres on a side. How much ground does one cell cover, and what happens to file size if the team switches to 10-metre cells over the same area?

900 square metres per cell; the file grows about ninefold

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30 square metres per cell; the file grows about threefold

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900 square metres per cell; the file shrinks about ninefold

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60 square metres per cell; the file is unchanged

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A weighted-overlay site model gives slope a weight of 50 percent, road access 30 percent, and land price 20 percent, and ranks a steep but cheap site first after the weights are accidentally entered in reverse. The episode best illustrates that suitability results

are objective once data are digital

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are invalid whenever three or more layers are used

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cannot be produced from raster data

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depend on the analyst's weighting choices, which must be justified and checked

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A country has an arithmetic density of 400 people per square kilometre and a physiological density of 2,000 people per square kilometre of arable land. Arable land therefore makes up approximately what share of its total area?

5 percent

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50 percent

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20 percent

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80 percent

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A country records a crude birth rate of 24 per 1,000 and a crude death rate of 9 per 1,000, with migration ignored. Its rate of natural increase is:

0.15 percent per year

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3.3 percent per year

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15 percent per year

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1.5 percent per year

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A population is observed to double in about 28 years. Using the rule of 70, its annual growth rate is approximately:

0.25 percent

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2.5 percent

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28 percent

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1.4 percent

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Pair 1 joins cities of 4 million and 1 million people located 200 kilometres apart. Pair 2 joins cities of 2 million and 2 million people located 100 kilometres apart. Under a gravity formulation using population product divided by distance squared, the predicted flow for Pair 2 relative to Pair 1 is:

One-quarter as large

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Exactly equal

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Four times as large

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Sixteen times as large

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Two brothers face identical conditions: the same drought at home and the same job offer abroad. One migrates; the other stays because he is the sole carer for their disabled father. Lee’s model explains the different outcomes through:

Different gravity-model populations

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Different intervening obstacles in the two countries

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A counterstream affecting only one brother

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Personal factors that filter the same pushes and pulls differently for each individual

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AP Human Geography Exam Prep FREE Sample Exam — Fixed Set

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