Obsidian is (formed) (when) siliceous lava (cools) too rapidly to (crystallized)

游客2024-01-05 63

问题 Obsidian is (formed) (when) siliceous lava (cools) too rapidly to (crystallized) into rock-fanning minerals.

选项 A、formed
B、when
C、cools
D、crystallized

答案 D

解析

转载请注明原文地址:https://www.tihaiku.com/zcyy/3334579.html

相关试题推荐

随机试题

最新回复(0)

Fogandmist,(like)clouds,(canformed)onlyinthe(presence)of(dustpartic