Multiple Choice
J.Tuzo Wilson,a University of Toronto geophysicist,helped to prove the plate tectonic theory by
A) examining transform boundaries and relating them to earthquake activity.
B) drilling through the ocean crust and sampling the magnetic reversals.
C) measuring the rate at which seafloor spreading occurs in the central Pacific ocean.
D) correlating the geologic record to ice cores from Antarctica.
E) obtaining accurate radiocarbon dates for sediment from the central African rift valley.
Correct Answer:

Verified
Correct Answer:
Verified
Q69: Exogenic processes cause warping, folding, faulting, and
Q77: Limestone is an example of which type
Q88: Earth's magnetic field is generated from within
Q137: Tilted layers of quartzite exposed in a
Q141: What type of rock is derived from
Q143: Approximately 90 percent of Earth's magnetic field
Q144: The largest type of pluton is a<br>A)laccolith.<br>B)sill.<br>C)dike.<br>D)phenocryst.<br>E)batholith.
Q145: Coal is an example of which type
Q146: The crust is lower in density than
Q147: Earth's crust is roughly made up of<br>A)mantle