#60.
The alluvial deposits that is part of a river valley that is inundated during floods is ___________.
A
floodplain
B
alluvial
C
lacustrine
D
deltas
Answer: floodplain
#61.
It is made up of poorly sorted rock fragments detached from the heights above and carried
downslope mostly by gravity.
A
Colluvium
B
Residuum
C
Lacustrine
D
Alluvium
Answer: Colluvium
#62.
The alluvial deposits that is part of a river valley that is inundated during floods is ____________.
A
deltas
B
floodplain
C
alluvial
D
lacustrine
Answer: floodplain
#63.
The alluvial deposits that leave a narrow valley in an upland area and suddenly descend to a
much broader valley below deposit sediment in a shape of a fan.
A
lacustine
B
alluvium
C
alluvial fan
D
deltas
Answer: alluvial fan
#64.
Suspended sediments carried by streams that settle near the mouth of the river.
A
alluvium
B
moraine
C
deltas
D
floodplain
Answer: deltas
#65.
It is the landform built by the deposits of alluvium in the low lying areas where streams and river
flow.
A
None from the choices
B
Colluvial
C
Alluvial soil
D
Residual soil
Answer: Alluvial soil
#66.
Is the master horizon dominated by organic materials.
A
D
B
B
C
C
D
O
Answer: O
#67.
Is the mineral horizon formed on the surface or below the O horizon
A
E
B
B
C
A
D
O
Answer: A
#68.
Is the master horizon of maximum eluviation.
A
C
B
O
C
E
D
B
Answer: E
#69.
The horizon of maximum illuviation or accumulation.
A
O
B
C
C
B
D
E
Answer: B
#70.
The horizon of unconsolidated material underlying the solum which often retains some of the
structural features of the parent rock or geologic deposits from which it formed.
A
E
B
C
C
B
D
O
Answer: C
#71.
The consolidated rock, with little evidence of weathering.
A
O
B
A
C
C
D
R
Answer: C
#72.
The master horizons in the soil profile are designated using.
A
vowels only
B
consonants only
C
capital letters
D
small letters
Answer: capital letters
#73.
Because the outer surface of a rock is often warmer or colder than the inner, more protected
portions, some rocks may weather causing the peeling away of outer layers and is referred to as _________.
A
consonants only
B
small letters
C
vowels only
D
exfoliation
Answer: exfoliation
#74.
Because the outer surface of a rock is often warmer or colder than the inner, more protected
portions, some rocks may weather causing the peeling away of outer layers and is referred to as _______________.
A
hydrolysis
B
carbonation
C
abrasion
D
exfoliation
Answer: exfoliation
#75.
When loaded with sediment, water has tremendous cutting power; the rounding or riverbed
rocks and beach sand grains is further evidence of ____________.
A
exfoliation
B
carbonation
C
abrasion
D
hydrolysis
Answer: abrasion
#76.
This influences soil formation by their different rates of weathering, the nutrients they contain
for plant use, and particle sizes they contain.
A
Topography
B
climate
C
Parent material
D
Biota
Answer: Parent material
#77.
It is an increasingly dominant factor in soil formation with increased time mainly because of the
effects of precipitation and temperature.
A
time
B
climate
C
topography
D
parent material
Answer: climate
#78.
When a soil begins to undergo profile changes because of weathering and leaching, the original
material in which the changes are happening is called _____________.
A
time
B
climate
C
parent material
D
topography
Answer: parent material
#79.
A set of soils where parent material is the dominant influence on soil formation is referred to as ___________.