The Earth's magnetic field originates by ________.
A) weak electrical currents associated with hot, rising, mantle plumes
B) magnetic mineral grains in the inner core
C) weak electrical currents associated with fluid motions in the outer core
D) magnetization of oxygen and nitrogen atoms in the atmospheric ozone layer by solar radiation
Correct Answer:
Verified
Q30: The time between the first P-wave and
Q31: The average composition of the oceanic crust
Q32: The record of an earthquake obtained from
Q33: The _ earthquake was accompanied by extensive
Q34: _ refers to the tendency for a
Q36: The lithosphere is defined as _.
A) a
Q37: Most of our knowledge about Earth's interior
Q38: The average composition of the continental crust
Q39: Word Analysis. Examine the words and/or phrases
Q40: The dense core of Earth is thought
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents