It has 4 layers : Crust, mantle mantle outer core, inner core, Rocks are made of tiny grains , Humans make things out of minerals.

The Geosphere + Rocks

排行榜

隨機卡是一個開放式範本。它不會為排行榜生成分數。

視覺風格

選項

切換範本

恢復自動保存: ?