The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
According to the passage, the Anasazi buildings were made primarily of______. A: dried mud B: blocks of wood C: sandstone D: the skins of animals
According to the passage, the Anasazi buildings were made primarily of______. A: dried mud B: blocks of wood C: sandstone D: the skins of animals
如何区分铁质胶结的石英砂岩和长石石英砂岩?How to distinguish between iron cemented quartz sandstone and feldspar quartz sandstone? A: 通过颜色 | By color B: 通过胶结物成分 | By cement composition C: 通过砂颗粒的矿物特征 | By sand particles Mineral characteristics D: 通过岩石的结构和构造 | By the structure and structure of the rock
如何区分铁质胶结的石英砂岩和长石石英砂岩?How to distinguish between iron cemented quartz sandstone and feldspar quartz sandstone? A: 通过颜色 | By color B: 通过胶结物成分 | By cement composition C: 通过砂颗粒的矿物特征 | By sand particles Mineral characteristics D: 通过岩石的结构和构造 | By the structure and structure of the rock
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