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Tentamen (uitwerkingen)
GEO 401: Test 3 Review (Dr.Befus) Questions and Answers (100% Correct Answers) Already Graded A+
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---6februari 20262025/2026A+
- GEO 401: Test 3 Review (Dr.Befus) 
Questions and Answers (100% 
Correct Answers) Already Graded A+
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€12,44 Meer Info
Passit
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GEO 401: Test One Review (Dr. Befeus) Questions and Answers (100% Correct Answers) Already Graded A+
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---15februari 20262025/2026A+
- GEO 401: Test One Review (Dr. 
Befeus) Questions and Answers 
(100% Correct Answers) Already 
Graded A+
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€12,44 Meer Info
Passit
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GEO 401 Exam 2 Questions And 100% Verified Answers | Latest 2025/ 2026 Update | Graded A+
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---12december 20252025/2026A+
- GEO 401 Exam 2 Questions And 100% 
Verified Answers | Latest 2025/ 2026 
Update | Graded A+
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€14,21 Meer Info
Examchemist
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Presentatie
GEO 401 Exam 1 2023 with 100% correct answers
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---8oktober 20232023/2024
- Two types of crust - correct answer -Oceanic and continental 
 
More dense, thinner type of crust - correct answer -Oceanic 
 
Less dense, thicker type of crust - correct answer -Continental 
 
Minerals of crust - correct answer -Low density silicate minerals, O, Si, Al, K 
 
Moho - correct answer -Mohorovicic Discontinuity, separates crust from mantle 
 
Mantle - correct answer -Most of planet, high density silicate minerals (O, Si, Mg, Fe, Ca), density = 3.4g/cm3, upper ~100km is strong/rigid/...
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€14,21 Meer Info
ExamVerse
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GEO 401 Exam 1 2023 with 100% correct answers
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---2oktober 20232023/2024A+
- How old is the Earth? - correct answer -4.6 Billion years old 
 
In Geology we are interested in which three activities? - correct answer -past, present, future 
 
How long ago was the "Big Bang"? - correct answer -14 Billion years 
 
Principle of Uniformitarianism - correct answer -Earth processes occurring today are similar to those that occurred in the past 
 
Name the two types of crust - correct answer -Continental and oceanic 
 
How thick is the continental crust? - correct answer -40km ...
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€15,10 Meer Info
ExamVerse
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Geo 401 Exam 1 2023 with 100% correct answers
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---5oktober 20232023/2024A+
- What characteristics would the ideal paleoclimate proxy have? - correct answer -A long term continuous quantitative record of key climate variables at all time scales over as wide a spatial range as possible. It never happens this way. If it grows millions of years, seasonal change, or quantitiative. 
 
Which of the following is not likely to be a useful paleoclimate proxy? - correct answer -you need something that has the ability for the need for age control. So look for what is telling you abo...
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ExamVerse
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GEO 401 exam 2 2023 with 100% correct answers
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--16oktober 20232023/2024A+
- The Earth's upper mantle is mainly made of peridotite, an ultramafic igneous rock with lots of olivine crystals. Which type of magma can be produced when the upper mantle undergoes decompression melting of the upper mantle peridotite at mid-ocean ridges? - correct answer -Basaltic 
 
Seismic studies of the earth have shown that the platnet's interior is made of a few layers with distinct seismic signatures and chemical compositions. The major layers of the planet include (from innermost to the...
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€14,21 Meer Info
ExamVerse
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Tentamen (uitwerkingen)
Geo 401 Exam 2 2023 with 100% correct answers
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---17oktober 20232023/2024A+
- Metamorphic Rock - correct answer -mineralogy, texture and/or composition has changed due to pressure, temperature and/or fluids (and enough time) 
 
Metasomatic Rock - correct answer -A metamorphic rock whose whole bulk chemical composition was altered during interaction with fluids 
 
Role of Pressure - correct answer -a result of overlying weight and/or horizontally oriented forces developed as the rocks are deformed. Greater weight tends to decrease space available for mineral growth, so the...
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€15,10 Meer Info
ExamVerse
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Tentamen (uitwerkingen)
Geo 401 Exam #3 2023 with 100% correct answers
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---3oktober 20232023/2024A+
- water-saturated sediment - correct answer -seismic wave amplitudes are largest in what material? 
 
South Africa - correct answer -based on your knowledge of plate tectonics, which of the following countries has the least hazard of earthquakes? 
 
P wave - correct answer -A type of seismic wave that compresses and expands the ground. 
 
S waves - correct answer -A type of seismic wave that moves the ground up and down or side to side 
 
outer core convection and spinning of the Earth on its axis...
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ExamVerse
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Tentamen (uitwerkingen)
GEO 401 Final Exam 2023 with 100% correct answers
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---15oktober 20232023/2024A+
- Bowens reaction series tells us that mafic minerals such as olivine and pyroxene crystallize from a magma chamber at relatively higher temperatures than felsic minerals such as K-feldspar and quartz. If a magma chamber undergoes fractional crystallization during cooling, the remaining magma should be_________ than the parent magma. - correct answerMore felsic 
 
The Earth's upper mantle is mainly made of peridotite, an ultramafic igneous rock with lots of olivine crystals. Which type of magma c...
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€15,10 Meer Info
ExamVerse
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Tentamen (uitwerkingen)
Geo 401 Final Exam 2023 with 100% correct answers
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---5oktober 20232023/2024A+
- The oldest minerals on earth are about 4 billion years old. The accepted age of earth (4.56 Ga) is based on the - correct answer -the age of meteorites which are thought to have formed at the same time as the earth 
 
Which of the following is true of lithospheric plates on earth - correct answer -Lithospheric plates consist of upper mantle and crust 
Plates can join together and break apart 
The move at a rate of 3-10 cm a year 
 
The ______________ of the crust differs from that of the mantle ...
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ExamVerse
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Tentamen (uitwerkingen)
Geo 401 Final Exam 2023 with 100% correct answers
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---10oktober 20232023/2024A+
- The Earth's mantle is almost entirely 
A. solid 
B. liquid 
C. gas 
D. plasma - correct answer -A. solid 
 
What is the elemental composition of the Earth's inner core? 
A. Fe, Ni 
B. O, S, Mg, Fe 
C. Fe, Ni, S, K 
D. Ni, S, O, Al - correct answer -A. Fe, Ni 
 
Which of the following best characterizes the change that occurs at the boundary between the lithosphere and asthenosphere? 
A. The asthenosphere has a higher magnesium content 
B. The asthenosphere flows more easily 
C. The asthenosphe...
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ExamVerse
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Tentamen (uitwerkingen)
Geo 401 Final Exam 2023 with 100% correct answers
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---10oktober 20232023/2024A+
- Stress - correct answer --Force per unit area that causes rocks to deform 
-units are Pascals 
-EX. confining and/or directed pressure 
 
Strain - correct answer -Amount of deformation expressed as a % of distortion 
 
Strength - correct answer --Rocks break when they fail, strength is exceeded 
-units are Pascals 
 
Why is knowing rock strength important? - correct answer --Design of tunnels, overpasses, roads, buildings 
-Integral for understanding how/where to drill, blast, design, construct ...
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€14,21 Meer Info
ExamVerse
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Tentamen (uitwerkingen)
GEO 401 Final Exam Review 2023 with 100% correct answers
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---18oktober 20232023/2024A+
- If a magma chamber undergoes fractional crystallization during cooling, how will the remaining magma differ from the parent magma? - correct answer It will be more felsic 
 
What type of magma can be produced when upper-mantle peridotite undergoes decompression along mid-ocean ridges? - correct answer basaltic 
 
Mineral - correct answer -Naturally ocurring 
-inorganic element or compound 
-has an orderly internl structure and characteristic chemical composition, crystal form, and physical prope...
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ExamVerse
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Tentamen (uitwerkingen)
GEO 401 Lecture Exam 1 2023 with 100% correct answers
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---9oktober 20232023/2024A+
- What is the age of our solar system? - correct answer -4.6 Ga 
 
In which layer of the earth could you most likely find O, S, Fe, Ni? - correct answer -Outer Core 
 
In which layer of the earth could you most likely find Fe, Ni? - correct answer -Inner Core 
 
In which layer of the earth could you most likely find O, Ca, Mg, Si, Al, Fe? - correct answer -Mantle 
 
Which part of the earth has a density of 8.0 g/cm^3? - correct answer -Core 
 
Which part of the earth has a density of 3.0 g/cm^3? -...
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ExamVerse
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GEO 401 Midterm 2 exam 2023 with 100% correct answers
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---11oktober 20232023/2024A+
- What is the principle of superposition? - correct answer -In a sequence of undisturbed layered rocks, the oldest rocks are on the bottom. 
 
What is the principle of horizontality? - correct answer -1. Layered strata are deposited under the influence of gravity as horizontal or nearly horizontal or nearly parallel to the Earth's surface 
 
What is the principle of faunal succession? - correct answer -Sedimentary strata in an outcrop contain fossils in a definite "time" sequence. The same sequ...
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ExamVerse
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Tentamen (uitwerkingen)
GEO 401 Test 1 exam 2023 with 100% correct answers
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---4oktober 20232023/2024A+
- Radiocarbon is formed in ____________________. - correct answer -The upper atmosphere by N14 reacting with radiation. 
 
What climate variable might "clumped isotopes" measure? - correct answer -Temperature 
 
What are "clumped" isotopes? - correct answer -A temperature dependent affinity for heavy isotopes boned to other heavy isotopes. 100% universal, pure temperature proxy. Calculate temp within a degree. Split second reorganization of the crystal as it pops into the lattice. Temperature ...
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€15,10 Meer Info
ExamVerse
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Tentamen (uitwerkingen)
GEO 401 Test #3 exam 2023 with 100% correct answers
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---7oktober 20232023/2024A+
- Climate - correct answer -Average weather patterns in a particular area over the course of a year 
 
Greenhouse gases - correct answer -Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect. 
 
Greenhouse effect - correct answer -1. Earth absorbs sunlight's energy. 2. The Earth also emits energy (helping it to cool down) 3. When this balance (radiative balance) is thrown out of whack by gases such as methane, t...
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ExamVerse