Which information is needed to construct a geomagnetic time scale? Select the two correct answers.(1 point) Responses the average speed of tectonic plates on Earth the average speed of tectonic plates on Earth 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 length of the mid-oceanic ridge
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