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(IP보기클릭)121.190.***.***
(IP보기클릭)223.39.***.***
저도 예전 과학 선생님한테 들은게 역사적으로 봐도 지구는 식어왔고 해수면의 상승은 빙하의 영향보다는 지각의 가라앉음이 더 큰 원인이라고 했던 기억이있네요 | 19.10.09 21:20 | |
(IP보기클릭)223.39.***.***
아 정확하게는 역사적으로 봐도 지구는 항상 뜨거웟다가 차가웟다가를 주기적으로 반복한다였네요 | 19.10.09 21:24 | |