ES Ch 5 3 Of 5 Question Preview (ID: 1104)


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Usae figure 11 on p 134. What is the composition of sandy loam?
a) 10% clay, 20% silt, 70% sand
b) 10% clay, 80% silt, 10% sand
c) 20% clay, 60% silt, 20% sand
d) 30% clay, 40% silt, 40% sand

Usae figure 11 on p 134. What is the composition of loam?
a) 20% clay, 40% silt, 40% sand
b) 30% clay, 40% silt, 40% sand
c) 40% clay, 30% silt, 30% sand
d) 30% clay, 80% silt, 10% sand

Use figure 14 on p 138; What is the top layer
a) the A horizon
b) the B horizon
c) the C horizon
d) the parent horizon

Use figure 14 on p 138; What is the bottom layer composed of
a) unweathered parent material
b) humus
c) top soil
d) subsoil

Use figure 14 on p 138; What is layer is the B horizon
a) layer that is 2nd from top
b) bottom most layer
c) top layer
d) layer that is 3rd from top

What kind of material is found in the C horizon of a soil profile
a) partially weathered parent material
b) clay particles
c) hardpan
d) mineral and organic matter

How are the soil horizons ordered from the top of the profile to the bottom
a) A, B, C
b) C, B, A
c) A, C, B
d) B, A, C

A soil that is characteristic of the humid eastern US is
a) pedalfer
b) laterite
c) pedocal
d) humus

A soil associated with the hot and wet tropics is
a) laterite
b) humus
c) pedocal
d) pedalfer

Laterite soilds contain high amounts of
a) iron oxide
b) organic material
c) calcite
d) calcium carbonate

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