Environmental Studies

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Briefly explain the roles of magma and hydrothermal activity in forming ore deposits along ... Started by olgavictoria	1 Replies 29 Views	Jul 15, 2018 by asware1
Who was the first person to suggest that all of the continents had been once joined together as a ... Started by fasfsadfdsfa	1 Replies 34 Views	Jul 15, 2018 by Christopher
Where is the best place to try to fit the continents together? What will be an ideal ... Started by MirandaLo	1 Replies 55 Views	Jul 15, 2018 by jessicaduplan
The Appalachian Mountains of the eastern United States are thought to have once been joined with ... Started by LCritchfi	1 Replies 45 Views	Jul 15, 2018 by jonathanballen97
What is the principal reason why Wegener's hypothesis of continental drift was rejected? What will ... Started by notis	3 Replies 63 Views	Jul 15, 2018 by momolu
What two features of the magnetic field do magnetic iron-bearing minerals that crystallize out of ... Started by hubes95	1 Replies 106 Views	Jul 15, 2018 by TheDev123
Where in the ocean basins is ocean crust youngest? What will be an ideal ... Started by jman1234	1 Replies 58 Views	Jul 15, 2018 by meltdown117
What type of motion is found at a transform plate boundary? What physical feature marks the ... Started by madam-professor	1 Replies 48 Views	Jul 15, 2018 by cupcake16
What is the driving mechanism for plate tectonics? What will be an ideal ... Started by ss2343	1 Replies 38 Views	Jul 15, 2018 by ju
In what ways does plate tectonics theory have economic applications? What will be an ideal ... Started by vHAUNG6011	1 Replies 53 Views	Jul 15, 2018 by meryzewe
The group of plant fossils that provides important evidence for the existence of Gondwana is ... Started by cnetterville	1 Replies 87 Views	Jul 15, 2018 by dpost18
The physical phenomenon that results from the spin of electrons that is found in some solids, ... Started by Sportsfan2111	1 Replies 45 Views	Jul 15, 2018 by srodz
The temperature at which iron-bearing minerals gain their magnetic property is the ... Started by karen	3 Replies 130 Views	Jul 15, 2018 by rachel
At mid-oceanic ridges, hot magma rises from the ____________________ and forms new ... Started by ts19998	1 Replies 52 Views	Jul 15, 2018 by Li Jun
Radiometric dating shows that the oldest ocean crust is ____________________ years old and the ... Started by Capo	1 Replies 60 Views	Jul 15, 2018 by kthug
At divergent plate boundaries, plates are moving ____________________. At these locations, new ... Started by APUS57	1 Replies 25 Views	Jul 15, 2018 by vboyd24
At a convergent plate boundary, oceanic crust is ____________________. Fill in the blank(s) with the ... Started by dbose	1 Replies 39 Views	Jul 15, 2018 by adf223
The type of plate boundary that runs through California is called ____________________, and the ... Started by casperchen82	1 Replies 48 Views	Jul 15, 2018 by cat123
The process that continues to move Africa and South America apart from each other is ... Started by RODY.ELKHALIL	1 Replies 33 Views	Jul 15, 2018 by ankilker
Most of the petroleum found in the Persian Gulf area formed at a ____________________ continental ... Started by folubunmi	1 Replies 51 Views	Jul 15, 2018 by perkiness
That the northern continents were once joined and located along the equator was shown by the:a. ... Started by lak	3 Replies 51 Views	Jul 15, 2018 by Sierray
Fossil evidence linking the Gondwana continents includes the:a. lake-dwelling Mesosaurus and large ... Started by viki	1 Replies 50 Views	Jul 15, 2018 by af
Studies of paleomagnetism document:a. changes in the Earth's gravitational field. b. how the ... Started by neverstopbelieb	1 Replies 34 Views	Jul 15, 2018 by millet
The differing paleomagnetic records for each continent showed: a. each continent had its own ... Started by APUS57	1 Replies 86 Views	Jul 15, 2018 by Brummell1998
At divergent plate boundaries, the operating forces are:a. compressional. b. lateral shearing. ... Started by sammy	1 Replies 45 Views	Jul 15, 2018 by alexanderhamilton