The main source of quartz is .
A: Glass
B: Minerals
C: Clay
D: Sandstone
A: Glass
B: Minerals
C: Clay
D: Sandstone
举一反三
- The main source of quartz is . A: Glass B: Minerals C: Clay D: Sandstone
- 中国大学MOOC: The main source of quartz is .
- 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
- The（ ）tea ware is the most famous one among pottery tea wares, which is made from pottery clay with high iron content. A: boccaro B: glass C: clay D: argil
- Fruits are a good source of which nutrients? A: Vitamins, carbohydrates, and minerals B: Fats, carbohydrates and fiber C: Minerals, vitamins, and fiber D: Protein, fiber, and vitamins