RocksTellTimeEarth’ssurfaceisconstantlychanging,anditsr...
问题详情：RocksTellTimeEarth’ssurfaceisconstantlychanging,anditsrocksareevidenceofpastgeologicevents.Theageofrockscanbedeterminedinvariousways.Byusingrelative-datingprinciplesandnotingthepositionoflaye...