Topographic Profiles Question Preview (ID: 56730)

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Which statement correctly describes one difference between these maps?

a) Map A has a greater relief (elevation change between high and low locations) than map B.

b) Map A represents a much larger surface area than map B.

c) Map A shows more contour lines than map B.

d) Map A generally shows gentler slopes than map B.

Which direction is the stream mainly flowing within grid area H-l on map B?

a) northward

b) southward

c) eastward

d) westward

The diagram below is a contour map. Between which two points is the slope of the hill steepest?

a) A and B

b) B and C

c) C and D

d) A and D

What is the contour interval of this map?

a) 10 ft

b) 15 ft

c) 20 ft

d) 25 ft

What is the approximate gradient, in meters per kilometer, of Jennifer Brook between points A and B?

a) 20 m/km

b) 40 m/km

c) 80 m/km

d) 220 m/km

What could be the elevation of point X?

a) 819 m

b) 826 m

c) 841 m

d) 850 m

What is the general direction of flow of Mill Creek?

a) east to west

b) west to east

c) north to south

d) south to north

A stream begins at an elevation of 2,000 meters and ends in a lake at an elevation of 400 meters. The lake is 320 kilometers from the stream's source. What is the average gradient of the stream?

a) 1.6 m/km

b) 2.0 m/km

c) 5.0 m/km

d) 8.0 m/km

Which topographic map shows the steepest gradient between A and B?

a) A

b) B

c) C

d) D

A stream has a source at an elevation of 1,000. meters. It ends in a lake that has an elevation of 300. meters. If the lake is 200. kilometers away from the source, what is the average gradient of the stream?

a) 1.5 m/km

b) 3.5 m/km

c) 10. m/km

d) 15 m/km

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