7228451
Description
Quiz by Leah Jones, updated more than 1 year ago
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Created by Leah Jones
almost 8 years ago
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Question 1
Question
Mechanical weathering processes result in ___
Answer
-
the decomposition of primary materials
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the hydrolysis of materials through frost action
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the oxidation of iron and manganese compounds
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the disintegration of rocks due to differential expansion of materials
Question 2
Question
Which of the following is NOT considered one of the five major factors influencing soil formation?
Answer
-
valence state
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living organisms
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climate
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native parent material
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topography
Question 3
Question
Glacial till is a term used to describe parent materials that __
Answer
-
were laid down in the bottom of former glacial lakes
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contain a heterogeneous mixture of mineral debris dropped by receding glaciers
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are sorted by rapidly flowing melt waters
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were transported by water gushing from glacial fronts
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were transported by high winds during glacial periods
Question 4
Question
In which of the following horizons has the process of illuviation most likely occurred?
Answer
-
A horizon
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B horizon
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C horizon
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O horizon
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E horizon
Question 5
Question
Silicate clay accumulation is most likely in the ___
Answer
-
A horizon
-
B horizon
-
C horizon
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O horizon
-
E horizon
Question 6
Question
Secondary minerals are most prominent in the __ fraction of soils
Answer
-
organic
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clay
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sand
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silt
Question 7
Question
The presence of rocks such as shale and sandstone indicate the existence of ___
Answer
-
highly weathered soils
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iron-rich materials
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a high water table
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ancient seas
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old mountain ranges
Question 8
Question
The mixed angular gravel, rock, and soil found at the foot of a slope is typical of what type of parent material?
Answer
-
glacial
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lacustrine
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eolian
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fluvial
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colluvial
Question 9
Question
Alluvial fans are usually characterized by ____ soils
Answer
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poorly drained
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nearly level
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sandy and gravelly
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clay textured
Question 10
Question
Igneous rocks are formed when molten magma cools and solidifies.
Answer
- True
- False
Question 11
Question
Sandstones are good examples of metamorphic rock.
Answer
- True
- False
Question 12
Question
Secondary minerals are recrystallized products of the chemical breakdown and/or alteration of primary minerals.
Answer
- True
- False
Question 13
Question
Chemical weathering is accelerated by water, oxygen, and organic and inorganic acids moving down and through the regolith.
Answer
- True
- False
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