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Practice Quiz 4

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Map scale is 1:10,000. Contour interval = 40 feet. Conversion factors: 1 foot = 12 inches, 1 mile = 5280 feet

1. On the topographic map above, the map distance from point M to point N is 1.25 inches. What is the actual distance on the earth's surface in miles? Round your answer off to one decimal place.

(a) 12,500 miles
(b) 1,042 miles
(c) 0.5 miles
(d) 0.2 mile

2. The best estimate of the elevation of point B on the topographic map above is:

(a) 7,540 feet.
(b) 7,550 feet.
(c) 7,560 feet.
(d) 7,580 feet.

3. Suppose we obtained a second map of the region shown on the topographic map above and the new map had a scale of 1:40,000. Compared to the map above, our new map would:

(a) cover less land area than the map above.
(b) have more detail than the map above.
(c) have a smaller scale than the map above.
(d) both (a) and (b) are true.

4. On the topographic map above, the landform that the letters M and N are sitting on is most likely:

(a) a volcanic neck.
(b) a cinder cone.
(c) a strato volcano.
(d) a caldera.

5. The most explosive volcanic eruptions are associated with:

(a) shield volcanoes.
(b) magma that solidifies to form rhyolite.
(c) oceanic rift zones.
(d) basaltic lava.

6. Volcanic activity along continental rift zones:

(a) may be more explosive than volcanic activity along oceanic rift zones.
(b) produces only basalt, whereas volcanic activity along oceanic rift zones may produce basalt, andesite, and dacite.
(c) may result in the formation of cinder cones.
(d) both (a) and (c) are true.

Score =
Correct answers: