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ERSC 181 Week 8 Final Exam | Questions and Answers|2025 Update|100% Correct-AMU

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ERSC 181 Week 8 Final Exam | Questions and Answers|2025 Update|100% Correct-AMU

Institution
American Military University
Course
ERSC 181

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ERSC 181 Week 8 Final Exam | Questions
and Answers|2025 Update|100% Correct-
AMU

,Week 8 Final Exam (timed and single access)



Question 1 2/2 points
Pyroclastic flows are more associated with .

ocean hot spots
stratovolcanoes
shield volcanoes
flood basalts
cinder cones
Question 2 2/2 points
In the rock cycle, what processes directly link igneous rocks to
metamorphic rocks?

compaction and
cementation melting and
crystallization deposition
and lithification
recrystallization by high heat and pressure
weathering and erosion
Question 3 2/2 points
The primary basis for classifying detrital (clastic) rocks is
,
whereas the primary basis for classifying chemical rocks is
.

particle size ; mineral composition
rock type ; rounding
sorting ; density
particle shape ; trace
elements crystalline
structure ; sorting
Question 4 2/2 points
The Precambrian Era is the time before abundant multicellular
life with hard parts evolved. This time interval represents
what percentage of earth's history?

, 99%
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