When Alfred Wegener presented his groundbreaking theory of continental displacement--later called continental drift--his peers rejected the idea. Wegener's theory proposed that enormous landmasses slowly moved on the earth's surface over millions of years, forming continents, causing earthquakes, and changing the earth's surface. It wasn't until decades after his death that his theory was accepted.
發表於2024-11-27
Alfred Wegener 2024 pdf epub mobi 電子書 下載
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Alfred Wegener 2024 pdf epub mobi 電子書 下載