DSST Test Questions question n answers graded A+ 2023

DSST Test Questions The ability of a mineral to resist scratching is called - correct answer hardness The breaking of a mineral along definite planes is called - correct answer cleavage The two most abundant elements in the earth's crust are - correct answer oxygen and silicon Which of the following internal crystalline structure of minerals does not have three axes at right angles to one another? - correct answer monoclinic Ore minerals contain - correct answer a useful metal or nonmetal that is easily extracted The two most important identifying characteristics of a mineral are - correct answer crystalline structure and composition Gneiss - correct answer metamorphic rock Granite - correct answer coarse-grained igneous rock Basalt - correct answer fine-grained igneous rock Rhyolite - correct answer igneous rock that is a product of volcanoes Obsidian, also known as volcanic glass, was formed - correct answer by very fast cooling magma An igneous rock formation that has an exposed surface area of more than 100 square kilometers is called a - correct answer batholith