jordasutvikling 4600 milioner år til nå By elana007 4600 BCE prekambrium https://www.youtube.com/watch?v=i_0qtvUgMFw 541 BCE kambrium https://www.youtube.com/watch?v=foCmY3xR2GQ 359 BCE karbon https://www.youtube.com/watch?v=YYUaFVzspO8 145 BCE kritt https://www.youtube.com/watch?v=ZVnTomhZvoI 65 BCE meteoren https://forskning.no/ny-dinosaurer-fossiler/dinosaur-drepende-meteoritt-ga-jorden-heteslag/264487
