The Spreading of the Sea Floor Along the Mid-Atlantic Ridge

Multiple Choice

The spreading of the sea floor along the Mid-Atlantic ridge is supported by

A) changes in the orientation of magnetized rocks as one moved away from the ridge.
B) the increase in the thickness of the sediment layer as one moved toward the continents.
C) the large amount of heat escaping from the rift along the ridge.
D) all of these support the sea-floor spreading hypothesis.