The mid-ocean ridges are elevated above the surrounding sea floor because ____________.
A) ridge rocks are hot and therefore of relatively low density
B) the lithospheric plates are thickest at the ridges so that they stand up taller
C) rising ocean currents leave a vacuum above the ridge
D) ridge rocks are mafic, whereas the ocean basin crust consists of ultramafic rock
Correct Answer:
Verified
Q39: Virtually all of the sediment atop a
Q51: Hot spots can occur _.
A)only within continental
Q57: At transform plate boundaries _.
A)earthquakes are common
Q60: Subducted slabs have never been detected below
Q61: _ is an example of a continental
Q62: When two bodies of continental lithosphere are
Q117: At a transform-plate boundary (shown below),two opposed
Q119: Consult the figure below.Subduction zones are _.
Q122: Without which of the following principles would
Q125: Which of the following would NOT render
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