Which information is needed to construct a geomagnetic time scale? Select the two correct answers.(1 point)

Question

Responses

the age of rocks along the surface of Earth
the age of rocks along the surface of Earth

the length of the mid-oceanic ridge
the length of the mid-oceanic ridge

the magnetic direction of rocks along the surface of Earth
the magnetic direction of rocks along the surface of Earth

the average speed of tectonic plates on Earth
the average speed of tectonic plates on Earth

Answer 1

The two correct answers are:

1) The age of rocks along the surface of Earth
2) The magnetic direction of rocks along the surface of Earth