What is the primary evidence that forms the basis of seafloor spreading?
A.The rocks along the mid-oceanic ridges show age patterns in a symmetrical manner.
B.The magnetic properties of rocks along the mid-oceanic ridges change alignment in a symmetrical manner.
C.The rocks along the mid-oceanic ridges have mineral patterns in a symmetrical manner.
D.The rocks on the mid-oceanic ridges change densities in a symmetrical manner.

Question

What is the primary evidence that forms the basis of seafloor spreading?
A.The rocks along the mid-oceanic ridges show age patterns in a symmetrical manner.
B.The magnetic properties of rocks along the mid-oceanic ridges change alignment in a symmetrical manner.
C.The rocks along the mid-oceanic ridges have mineral patterns in a symmetrical manner.
D.The rocks on the mid-oceanic ridges change densities in a symmetrical manner.

anonymous · Answer

B. http://www.answers.com/Q/What_is_the_primary_evidence_that_forms_the_basis_of_seafloor_spreading

anonymous · Answer

:)

anonymous · Answer

@aliboo997 is right! It is b. :)

anonymous · Answer

thank you @aliboo997 for answering
and @kisstherains for confirming

anonymous · Answer

lol 4 months ago this is 2015

anonymous · Answer

its b just did it