Rocks are made of ____ (one or more chemical ____) of different ____ and sizes - this gives the rocks ____. ____ classify rocks by the minerals (the compounds in rocks) they contain and the texture. In some ____ the grains fit ____ with no gaps making ____ grains or crystals. These rocks are usually ____. In other rocks there are ____ between the grains. These rocks are not as strong and ____ away more easily.

Rock Structure

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?