RocksTellTimeEarth’ssurfaceisconstantlychanging,anditsr...
問題詳情：RocksTellTimeEarth’ssurfaceisconstantlychanging,anditsrocksareevidenceofpastgeologicevents.Theageofrockscanbedeterminedinvariousways.Byusingrelative-datingprinciplesandnotingthepositionoflaye...