When the magnetic field of Earth is reversed,
A) Earth flips over in its orbit.
B) Earth's rotation is also reversed.
C) newly formed mineral grains on the ocean floor are magnetized according to the new orientation of the magnetic field.
Question 2
Detailed mapping of the ocean floors revealed
A) huge mountain ranges beneath the oceans.
B) deep trenches near some of the continents.
C) that the oceans are equally deep at all locations.
D) huge mountain ranges on the ocean floor, and deep trenches near some of the continents.
The geomagnetic polarity time scale shows how Earth’s magnetic pole has changed through geologic tim
Transcranial Magnetic Stimulation
A typical magnetic crankshaft position sensor.
An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ...
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
Early Earth