Which information is needed to construct a geomagnetic time scale? Select the two correct answers.(1 point) Responses the length of the mid-oceanic ridge the length of the mid-oceanic ridge the age of rocks along the surface of Earth the age of rocks along the surface of Earth 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 correct answers are:
1. The age of rocks along the surface of Earth
2. The magnetic direction of rocks along the surface of Earth