Question

MEDAL AND FAN!!! (BOTH=SHOUTOUT)
In addition to paleomagnetism, what other evidence was needed to determine the rate of seafloor spreading?
A.
the strength of the magnetic field
B.
the age of each strip of rock
C.
the minerals in the rocks
D.
the thickness of the rock layers

What causes the earth’s magnetic field?
A.
currents in the earth’s liquid-metal outer core
B.
the mineral composition of the earth’s crust
C.
molten material in the mantle
D.
magnetic particles located at the earth’s poles

Answer 1

1.A

Answer 2

2.A

Answer 3

Thank you!!!

Answer 4

1.b

Answer 5

yall are wrong

Answer 6

@88 what was it