Quiz History_ Exam 4

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Tarrant County College, Fort Worth *

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1403

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Geography

Date

Dec 6, 2023

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pdf

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Uploaded by CaptainNightingale2524

Exam 4 Due Dec 7 at 11:59pm Points 50 Questions 50 Time Limit 75 Minutes Attempt History Attempt Time Score LATEST Attempt 1 41 minutes 48 out of 50  Correct answers are hidden. Score for this quiz: 48 out of 50 Submitted Nov 13 at 9:34am This attempt took 41 minutes. 1 / 1 pts Question 1 The ultimate base level for a stream is: sea level. the nearest lake. the nearest stream. the nearest spring. the nearest valley. 1 / 1 pts Question 2 

The Mississippi River is an example of channel flow. True False 1 / 1 pts Question 3 A stream's velocity varies only along its length. True False 1 / 1 pts Question 4 A drainage pattern typical of high mountains is radial drainage. True False 1 / 1 pts Question 5 Most of a stream's kinetic energy is involved in eroding and transporting sediment. True

False 0 / 1 pts Question 6 Incorrect Incorrect When flow is restricted to long, troughlike depressions, the flow is known as ____________________ flow. channel flow 1 / 1 pts Question 7 In meandering streams, the water velocity tends to be greatest in the ____________________ portion of the meander. outer 1 / 1 pts Question 8 The percentage of atmospheric water that comes directly from the ocean is: 95%. 85%. 65%. 35%.

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15%. 1 / 1 pts Question 9 Dissolved load is the: invisible load of a stream. abrasive load of a stream. suspended load of a stream. invisible and abrasive load of a stream. abrasive and suspended load of a stream. 1 / 1 pts Question 10 Particles move along a streambed by: rolling. sliding. saltation. rolling and sliding. rolling, sliding and saltation.

1 / 1 pts Question 11 The solid particles of a stream include: bed load. suspended load. solution load. bed load and suspended load. suspended load and solution load. 1 / 1 pts Question 12 Lateral erosion creates conditions along a stream valley that promote movement of material by another geologic process known as ____________________. mass wasting 1 / 1 pts Question 13 A canyon that is much deeper than it is wide with vertical or near vertical sides is called a(n) mountain canyon. grand canyon.

slot canyon. deep canyon. stream canyon. 1 / 1 pts Question 14 The gradient of streams tends to be ____________________ in their upper reaches and ____________________ in their lower reaches. steeper, gentler 1 / 1 pts Question 15 A rill is the precursor to a brook, creek, stream, or river. True False 1 / 1 pts Question 16 The lower limit to which the stream can erode is its ____________________. base level

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1 / 1 pts Question 17 Slightly acidic water reacts with calcite in an aquifer to form soluble sodium bicarbonate. True False 1 / 1 pts Question 18 Where does groundwater discharge naturally? only in the ocean only in springs only in streams only in aquifers wherever the groundwater table intersects the ground surface 1 / 1 pts Question 19 During times of drought, the water table ____________________. falls

1 / 1 pts Question 20 A local aquiclude within a larger aquifer results in a(n): cone of depression. perched water table. artesian aquifer. zone of aeration. zone of saturation. 1 / 1 pts Question 21 The zone of saturation extends to an indefinite depth. True False 1 / 1 pts Question 22 An upward-growing projection of calcite created from water that drips from a cave's ceiling is called a(n) ____________________. stalagmite

1 / 1 pts Question 23 An example of a rock/sediment type that could be an effective aquiclude is: quartz sandstone. fractured granite. gravel. shale. graywacke. 1 / 1 pts Question 24 A very large cave or system of interconnected caves is called a(n) ____________________. cavern 1 / 1 pts Question 25 In hilly country, the groundwater table's highest elevation occurs in stream valleys and around lakes. True

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False 1 / 1 pts Question 26 The addition of water to the zone of saturation is known as ____________________. recharge 1 / 1 pts Question 27 By definition, the porosity of rocks/sediments consists of pore spaces between particles/grains. True False 1 / 1 pts Question 28 Within the zone of saturation, groundwater flows from the region of ____________________ pressure to the region of ____________________ pressure. highest, lowest

1 / 1 pts Question 29 The percentage of open space within a rock or sediment is known as its ____________________. porosity 1 / 1 pts Question 30 The water stored in the open spaces within underground rocks and unconsolidated material is called ____________________. groundwater 1 / 1 pts Question 31 About 22% of all usable water in the United States comes from groundwater. True False 1 / 1 pts Question 32 The general term for deposits of calcite and/or aragonite within caves is:

stalactites. stalagmites. spears. dripstone. calcite-stone. 1 / 1 pts Question 33 Saltwater incursion occurs primarily along coastlines. True False 1 / 1 pts Question 34 The process by which ice evaporates directly from the surface of a glacier is known as ____________________. sublimation 1 / 1 pts Question 35 A strong correlation has been established between periods of intense volcanism and short-term glacial cooling.

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True False 1 / 1 pts Question 36 A glacial landform with steep-walled, pyramidal peaks formed by headward erosion of glaciers on at least three sides is a(n): horn. esker. kame. terminal moraine. cirque. 1 / 1 pts Question 37 The fact that the Earth's orbit around the sun changes over time is called ____________________. orbital eccentricity 1 / 1 pts Question 38

An ice mass of compacted and recrystallized snow that flows under its own weight on land is called a(n) ____________________. glacier 1 / 1 pts Question 39 In general, rates of glacial flow are greatest in the zone of ____________________. accumulation 1 / 1 pts Question 40 Sediment that is supplied to braided streams that are melting from continental glaciers forms an outwash plain. True False 1 / 1 pts Question 41 The fine-, clay-, and silt-sized particles that result from glacial pulverization of rock are known as ____________________.

rock flour 1 / 1 pts Question 42 A glacier begins to flow when the ice reaches a critical thickness of about: 100 meters. 40 meters. 20 meters. 10 meters. 5 meters. 1 / 1 pts Question 43 Elongated, spoon-shaped hills that have been shaped by an overriding glacier are called ____________________. drumlins 1 / 1 pts Question 44 The presence of ____________________ in the upper 40 m or so of a glacier indicates that this portion behaves not as a plastic but as a(n) ____________________ solid.

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crevasses, brittle 1 / 1 pts Question 45 Glaciers today cover about 10% of Earth's land surface. True False 0 / 1 pts Question 46 Incorrect Incorrect When snow thaws and refreezes, which results in a loss of air and pore spaces, the result is ____________________. firm 1 / 1 pts Question 47 Any sediment deposited as a result of glacial activity is known as glacial ____________________. drift

1 / 1 pts Question 48 The reason that Earth is now closest to the Sun in January, but will be closest in July in 11,000 years, is: orbital eccentricity. changes in axial tilt. precession of the equinoxes. gravitational attraction to the sun. gravitational attraction to the moon. 1 / 1 pts Question 49 The terms valley glacier and mountain glacier are synonymous. True False 1 / 1 pts Question 50 The three stages involved in the formation of a glacier are the precipitation of ____________________; the formation of ____________________ by partial thawing, refreezing, and crystallization; and compaction and recrystallization to produce ____________________ ____________________.

snow, firn, glacial ice Quiz Score: 48 out of 50

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Quiz History_ Exam 4

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