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SCSC 301 EXAM 1 REVIEW QUESTIONS AND ANSWERS
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SCSC 301 EXAM 1 REVIEW QUESTIONS AND ANSWERS
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SCSC 301 EXAM 1 REVIEW QUESTIONSAND ANSWERS
Soil9is9a9dynamic9natural9body9having9properties9due9to9the9combined9effects9of9______
____9as9modified9by9topography9acting9on9parent9material9over9time.9
A)9Weather9and9temperature
B)9Climate9and9biota
C)9slope9and9time
D)9climate9and9rainfall
E)9Organisms9and9parent9material9-9ans--B.9Climate9and9biota
A9typical9moist9surface9soil9ideally9contains9_____%9water9on9a9volume9basis.
A.95
B.910
C.925
D.945
E.9509-9ans--C.925%
A9soil9that9supports9plant9life9must9provide9which9of9the9following,9EXCEPT
a.9nutrients
b.9oxygen
c.9carbon9dioxide
d.9water
e.9physical9support9-9ans--c.9Carbon9dioxide
Primary9minerals9that9may9weather9to9form9secondary9clay9minerals9in9soils9include:
a.9feldspars,9hornblende,9and9mica
b.9feldspars,9quartz,9and9calcite
c.9apatite,9hornblende,9and9gypsum
d.9apatite,9feldspars,9and9calcite
e.9feldspars,9hematite,9and9goethite9-9ans--a.9Feldspars,9Hornblende,9and9Mica
, A9primary9silicate9mineral9that9is9resistant9to9weathering9is:
a.9hematite
b.9apatite
c.9mica
d.9quartz
e.9dolomite9-9ans--d.9quartz
Intensive9weathering9typically9results9in9soils9with9high9concentrations9of9__________,9b
ecause9these9are9secondary9minerals9that9are9resistant9to9further9weathering.9
a.9calcite,9dolomite,9and9gypsum
b.9hornblende9and9feldspar
c.9granite9and9basalt
d.9hematite9and9gibbsite
e.9horneblende9and9marble9-9ans--d.9hematite9and9gibbsite
Which9of9the9following9weathers9to9form9silicate9clay9minerals9in9soil?
a.9hematite
b.9quartz
c.9calcite
d.9hornblende9and9feldspar
e.9limestone9-9ans--d.9hornblende9and9feldspar
which9of9the9following9mineral9is9the9most9soluble?
9The9high9solubility9causes9it9to9easily9weather9and9be9lost9from9soil9profiles.
a.9hematite
b.9gypsum
c.9hornblende
d.9quartz
e.9gibbsite9-9ans--d.9hornblende9and9feldspar
A9two-dimensional9vertical9cross-sectional9view9of9a9soil9is9referred9to9as9soil_________
a.9solum
b.9pedon
c.9profile
d.9horizon
e.9regolith9-9ans--c.9profile
Which9horizons9in9a9soil9containing9A,9B,9C,9and9R9horizons9are9included9in9its9soil9solum
?
a.9A,9B,9C,9R
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