GEOLOGY EXAM LATEST 2027
WITH QUESTIONS AND EXPERT-
VERIFIED CORRECT ANSWERS |
ALREADY GRADED A+ |
GUARANTEED PASS
The North American plate is bounded by ______ plate boundaries. - ANSWER-
Convergent, divergent and transform.
What can be used to determine the rates of plate motion? - ANSWER-
Astronomical positioning, seafloor magnetic anomalies, and global positioning
system.
How old are the fossils of the reptile Mesosaurus found in Africa and South
America that suggest the continents were once together? - ANSWER-About 300
million years old.
"Normal" magnetized crust at the spreading center formed during the
_______epoch. - ANSWER-Brunhes.
, Modern seafloor spreading rates range from____________. - ANSWER-2 to 15
centimeters per year.
What two scientists related the positive and negative magnetic bands on the
seafloor to seafloor spreading? - ANSWER-F.J. Vine and D.H. Mathews.
What is used to determine the age of seafloor samples recovered by the deep-sea
drilling project? - ANSWER-Foraminifera Fossils.
What plate is moving the fastest? What drives plate tectonics and what is the most
important force? - ANSWER-The Pacific Plate.
Mantle convection.
The pulling force of a sinking lithospheric slab, a plate sliding off a mid-ocean
ridge and the suction force of a retreating subduction zone.
What are isochrons? Isochrons on the seafloor are roughtly_______the ridge axis
along which they were created. - ANSWER-On a map of the seafloor, the
boundaries between normally magnetixed oceanic crust and reversed.
Parallel to and symmetric about.
When was the supercontinent of Pangea assembled? When was the theory of plate
tectonics developed? - ANSWER-Approximately 250 million years ago.
1960s.
How old are the oldest rocks on the ocean floor? The oldest continental rocks
are________than the oldes oceanic rocks. - ANSWER-About 200 million years
old.
Much older.
WITH QUESTIONS AND EXPERT-
VERIFIED CORRECT ANSWERS |
ALREADY GRADED A+ |
GUARANTEED PASS
The North American plate is bounded by ______ plate boundaries. - ANSWER-
Convergent, divergent and transform.
What can be used to determine the rates of plate motion? - ANSWER-
Astronomical positioning, seafloor magnetic anomalies, and global positioning
system.
How old are the fossils of the reptile Mesosaurus found in Africa and South
America that suggest the continents were once together? - ANSWER-About 300
million years old.
"Normal" magnetized crust at the spreading center formed during the
_______epoch. - ANSWER-Brunhes.
, Modern seafloor spreading rates range from____________. - ANSWER-2 to 15
centimeters per year.
What two scientists related the positive and negative magnetic bands on the
seafloor to seafloor spreading? - ANSWER-F.J. Vine and D.H. Mathews.
What is used to determine the age of seafloor samples recovered by the deep-sea
drilling project? - ANSWER-Foraminifera Fossils.
What plate is moving the fastest? What drives plate tectonics and what is the most
important force? - ANSWER-The Pacific Plate.
Mantle convection.
The pulling force of a sinking lithospheric slab, a plate sliding off a mid-ocean
ridge and the suction force of a retreating subduction zone.
What are isochrons? Isochrons on the seafloor are roughtly_______the ridge axis
along which they were created. - ANSWER-On a map of the seafloor, the
boundaries between normally magnetixed oceanic crust and reversed.
Parallel to and symmetric about.
When was the supercontinent of Pangea assembled? When was the theory of plate
tectonics developed? - ANSWER-Approximately 250 million years ago.
1960s.
How old are the oldest rocks on the ocean floor? The oldest continental rocks
are________than the oldes oceanic rocks. - ANSWER-About 200 million years
old.
Much older.
