| 觀看：13 次｜回覆：0 則 |
 |
||
| Name：CoreyWrown | 15, Sep, 2024 08:22:27 | |
 |
and examining how passing through the different layers of the Earth causes them to slow down. The changes in seismic velocity cause refraction which is calculated (in accordance with Snell Law) to determine differences in density.. By contrast a more simple oxide can be produced using a controlled r | |
 |
||
回覆留言