Thermal convection movement in the upper mantle
A) generates the electric current that powers Earth's magnetic field.
B) greatly influences Earth's surface features.
C) heats Earth's core by frictional forces.
D) is usually negligible.
Correct Answer:
Verified
Q53: Earth's core is probably composed of
A)silicate minerals.
B)aluminum
Q54: The Earth's magnetic field is generated in
A)outer
Q55: The outer core is liquid because
A)it is
Q56: The mantle is composed of
A)iron and nickel.
B)iron-rich
Q57: Movement of the lithosphere
A)has a plastic-like flow.
B)causes
Q59: The top of the mantle is the
Q60: The Earth's layer with plastic-like behavior is
Q61: What is the Mohorovicic discontinuity?
Q62: How did plant and animal fossils influence
Q63: What is the principle of isostasy,and what
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