ESS 101 Answer: Final
with correct questions
and answers
usr
[COMPANY NAME] [Company address]
,1. Joints facilitate weathering
because .
a. they increase the acidity of the water
b. permit water and other chemical agents to penetrate below the
surface.
c. provide more surface area for the weathering front to attack.
d. none of the above answers are correct.
e. only answers b and c are correct. Answer: e. only answers b and c are correct.
2. Why did the rill depth increase on the limestone boulders
measured on three different alpine glacial moraines studied along
the valley floor?
a. the lower moraine received more precipitation.
b. the lower moraine was comprised of weaker limestone rock
that was pre-weathered prior to deposition.
c. the lower moraine was older and subjected to longer weathering.
d. all of the above.
e. none of the above answers are correct as the rill depth remained
constant. Answer: c. the lower moraine was older and subjected to longer weathering.
3. Limestone will
tend to precipitate in sea water when .
a. carbon dioxide content decreases
b. carbon dioxide content increases
c. it is agitated by wave actions.
d. answers b and c are correct
e. answers a and c are correct Answer: e. answers a and c are correct
4. Frost wedging occurs in rock because Answer:
a. water contracts when it freezes to form ice.
b. water expands when it melts
c. water expands when it freezes to form ice.
d. water will expand when it evaporates.
e. none of the above are correct. Answer: c. water expands when it freezes to form ice.
5. Besides frost wedging which of the following are examples of
,mechanical weathering?
a. oxidation of iron
b. hydrolysis reaction converting potassium feldspar to kaolinite clay
c. dissolution of calcite
, d. all of the above answers are correct
e. none of the above answers are correct Answer: e. none of the above answers
are correct
6. H+
ions utilized in hydrolysis weathering reactions come from .
a. primordial waster emitted directly from volcanic eruptions.
b. hydrogen sulfide gas
c. carbonic acid
d. hydrogen gas from the atmosphere
e. hydrogen peroxide Answer: c. carbonic acid
7. Which of the following transport agents generally results in cross
beds?
a. wind
b. turbidity currents
c. rivers
d. glaciers
e. answers a and c are both correct Answer: e. answers a and c are both correct
8. Over time angular joints
blocks will due to surface weathering.
a. become larger
b. retain their geometric form
c. become round
d. evolve into faults
e. become more angular Answer: c. become round
9. Chert
generally precipitates in deep ocean water because .
a. calcium carbonate precipitates in cold water.
b. silica is less soluble (dissolvable) in cold water.
c. silica is more soluble in cold water.
d. silica bearing organisms live in deep water.
e. none of the above answers are correct. Answer: b. silica is less soluble
(dissolvable) in cold water.
10. Monocline folds result from .
with correct questions
and answers
usr
[COMPANY NAME] [Company address]
,1. Joints facilitate weathering
because .
a. they increase the acidity of the water
b. permit water and other chemical agents to penetrate below the
surface.
c. provide more surface area for the weathering front to attack.
d. none of the above answers are correct.
e. only answers b and c are correct. Answer: e. only answers b and c are correct.
2. Why did the rill depth increase on the limestone boulders
measured on three different alpine glacial moraines studied along
the valley floor?
a. the lower moraine received more precipitation.
b. the lower moraine was comprised of weaker limestone rock
that was pre-weathered prior to deposition.
c. the lower moraine was older and subjected to longer weathering.
d. all of the above.
e. none of the above answers are correct as the rill depth remained
constant. Answer: c. the lower moraine was older and subjected to longer weathering.
3. Limestone will
tend to precipitate in sea water when .
a. carbon dioxide content decreases
b. carbon dioxide content increases
c. it is agitated by wave actions.
d. answers b and c are correct
e. answers a and c are correct Answer: e. answers a and c are correct
4. Frost wedging occurs in rock because Answer:
a. water contracts when it freezes to form ice.
b. water expands when it melts
c. water expands when it freezes to form ice.
d. water will expand when it evaporates.
e. none of the above are correct. Answer: c. water expands when it freezes to form ice.
5. Besides frost wedging which of the following are examples of
,mechanical weathering?
a. oxidation of iron
b. hydrolysis reaction converting potassium feldspar to kaolinite clay
c. dissolution of calcite
, d. all of the above answers are correct
e. none of the above answers are correct Answer: e. none of the above answers
are correct
6. H+
ions utilized in hydrolysis weathering reactions come from .
a. primordial waster emitted directly from volcanic eruptions.
b. hydrogen sulfide gas
c. carbonic acid
d. hydrogen gas from the atmosphere
e. hydrogen peroxide Answer: c. carbonic acid
7. Which of the following transport agents generally results in cross
beds?
a. wind
b. turbidity currents
c. rivers
d. glaciers
e. answers a and c are both correct Answer: e. answers a and c are both correct
8. Over time angular joints
blocks will due to surface weathering.
a. become larger
b. retain their geometric form
c. become round
d. evolve into faults
e. become more angular Answer: c. become round
9. Chert
generally precipitates in deep ocean water because .
a. calcium carbonate precipitates in cold water.
b. silica is less soluble (dissolvable) in cold water.
c. silica is more soluble in cold water.
d. silica bearing organisms live in deep water.
e. none of the above answers are correct. Answer: b. silica is less soluble
(dissolvable) in cold water.
10. Monocline folds result from .
