'It's why you couldn't have lived in most of the present-day U.S. during Ordovician times'
it was submerged (or underwater)
GEOLOGIC TIME: Its why you couldnt have lived in most of the present-day U.S. during Ordovician times
It's why you couldn't have lived in most of the present-day U.S. during Ordovician times
It's why you couldn't have lived in most of the present-day U.S. during Ordovician times
GEOLOGIC TIME
it was submerged or underwater
GEOLOGIC TIME