Alfred Wegener 在线电子书 图书标签:
发表于2025-02-17
Alfred Wegener 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025
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.
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Alfred Wegener 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2025