NR 150 FINAL EXAM QUESTIONS AND 100% CORRECT ANSWERS|LATEST 2025/2026|GRADED A+

CORRECT ANSWERS|LATEST


Freshwater is an example of a(n)? - ANSWER
B B B B B B B physical resource B




Petroleum products would be classified aswhich resource type? - ANSWER
B B B B B B B B B non-
renewable physical resource B B




Where is the most effective place to extractwind power? -
B B B B B B B B B



B ANSWER Over or near the ocean B B B B




The concept of a single world oceanemphasizes the interdependence of oceanand land, life a
B B B B B B B B B B B B B



nd water, atmosphere andoceanic circulation, and natural andman-made environments. -
B B B B B B B B B



B ANSWER true



Joann, a marine scientist, is studying theamount of dissolved iron, nitrate, andphosphate in th
B B B B B B B B B B B B B



e upper water column of theopen ocean to determine if nutrients arelimiting phytoplankton g
B B B B B B B B B B B B B



rowth. What kind ofmarine scientist is she? - ANSWER
B B B B B B B B chemical oceanographer B




A marine scientist who studies themovements of the seafloor at mid-
B B B B B B B B B B



oceanridges and subduction zones is a _________ - ANSWER
B B B B B B B B Marine geologist B




The total amount of freshwater on Earthmakes up only about 2.5% of all the water onthe plan
B B B B B B B B B B B B B B B B



et. - ANSWER
B B true



A galaxy is... -
B B B



ANSWER
B A huge rotating aggregation ofstars, gas, and other debrisheld together by gra
B B B B B B B B B B B



vity




1

, The hypothesis that best explains how theuniverse was formed is called the ____ -
B B B B B B B B B B B B B



B ANSWER The big bang theory B B B




The inner core of Earth is primarily made of______ - ANSWER
B B B B B B B B B B Iron



The fusion of hydrogen atoms into heliumatoms occurs near the end of a star's life -
B B B B B B B B B B B B B B B



B ANSWER False - this means the star is stable
B B B B B B B




Which sequence correctly describes thesteps in the life cycle of a star? -
B B B B B B B B B B B B



B ANSWER Protostar, nuclear fusion,stability, red giant, supernova
B B B B B




The end of Earth's life cycle will occur as aresult of the sun's ________ phase -
B B B B B B B B B B B B B B B



B ANSWER Red Giant B




Early Earth's atmosphere contained highconcentrations of _________ -
B B B B B B B



B ANSWER Carbon dioxide and nitrogen B B B




Which scientist proposed that all Earth's landhad once been joined into a singlesupercontinen
B B B B B B B B B B B B



t surrounded by an ocean? - ANSWER
B B B B B B Wegener



A P wave exhibits ______ motion, whereasan S wave displays ______ motion. -
B B B B B B B B B B B B



B ANSWER Compressional; shear B




What type of seismic wave undulates in awavelike motion and causes most propertydamage?
B B B B B B B B B B B B B



- ANSWER
B Surface



What is the cool, rigid outer layer of earth thatis comprised of continental and oceaniccrusts a
B B B B B B B B B B B B B B B



nd the uppermost mantle? - ANSWER
B B B B B lithosphere




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