Question

1. scientists read the stripes or bands of rock on the seafloor to determine the age of new rock. the earths poles switch polarity every ___ years. when new sea floor emerges, the iron within it orients itself according to the polarity. over time, stripes or bands are created! several hundred several thousand several hundred thousand

Explanation:

The Earth's magnetic poles switch polarity approximately every several hundred thousand years. This is based on geological and paleomagnetic studies of rocks on the seafloor and other locations. The iron - rich minerals in newly formed rocks align with the Earth's magnetic field at the time of their formation, creating the observed magnetic stripes on the seafloor.

Answer:

several hundred thousand