GES Exam 4 Questions with Verified Solutions Latest Version 2025 (Graded A+)

GES Exam 4 Questions with Verified Solutions Latest Version 2025 (Graded A+) What evidence did Wegner use to support the existence of Pangaea? - Answers There were animal and plant fossils that appeared to evolve from the same geographic region but are now scattered on separate continents. The oceanic crust is _____________ compared to the continental crust. - Answers thinner and denser Permafrost is typically found in tundra environments and can extend to depths of; - Answers 1000 ft. 300-450 meters What type of tectonic phenomena leads to the creation of oceanic volcanic islands such as the Galapagos or the Hawaiian Islands? - Answers Movement of plates over hot spots (stationary plumes of basaltic lava welling up from the mantle). Which type of plate boundary results from two or more plates coming together? - Answers Convergent Plate Boundary A _______ is a fracture in the rock in which no appreciable movement has occurred. - Answers joint Which type of plate boundary results from two or more plates moving apart? - Answers Divergent Plate Boundary If Earth's history was represented by one 24-hour day, how long has life proliferated on the planet? - Answers 2 hours and 50 minute Along continental rifts and hot spots, vast amounts of basaltic lava can flow from fissures, forming . - Answers flood basalts Is the Earth core liquid or solid? - Answers The inner core is solid, the outer core is liquid. The largest scale sand dunes are called __________. - Answers star dunes How did scientists discover that the Earth magnetic field changes direction? - Answers They looked at magnetic "stripes" on the ocean floor. Some of the minerals in igneous rock record the orientation of the magnetic field at the time of cooling and crystallization. This gives us a record of the changes in orientation of the magnetic field over time. What climates are particularly good for chemical weathering of rock? - Answers Most effective in warm, moist climates _______ is the process of ice splitting rocks during freeze/thaw cycles. - Answers Frost action Mafic minerals tend to be_______. - Answers dark colored and less dense A strike-slip fault can also be called a ________ fault. - Answers transform The mechanism of wind erosion in which loose particles of sand and dust are picked up and removed, leaving behind only coarser particles, is called __________. - Answers Deflation The continents and ocean basins are located in the - Answers lithosphere (more specifically the Earth's crust). Describe why subsequent and consequent streams often flow in different directions. - Answers Consequent streams exist prior to when a landform is worn down. After the landform is worn down, a subsequent stream exists. consequent streams form on newly created landforms as a result of earthquakes which change the direction of the stream. once the landform has eroded, a subsequent stream forms which may alter direction Foredunes are critical to the preservation of the integrity of many beaches, but they must maintain ______________ on their surfaces to remain stable. - Answers plant cover According to high-resolution GPS satellites, lithospheric plates are moving at an average rate of - Answers 5-10 centimeters per year.