I know you have a textbook so use it
Their evidence comes from rocks at earths surface.
Seasons
The evidence of volcanic rock layers with opposite magnetic fields to Earth's aligns with the hypothesis of geomagnetic reversal. This suggests that Earth's magnetic field has flipped polarity multiple times throughout its history.
Seismic waves
a. seismic waves b. volcanoes c. earthquakes d. rocks
Rock samples
Rock Samples.
fat trees
laws of natural
Earths valcanoes
Earths volcanoes;)
Earths volcanoes;)