Petroglyphs are rocks used for scruving and are also called rock engravings.
Hornfels may be used during construction projects or in the building of roadways. They may also be used as whetstones.
phosphorus is commonly found in the earths crust because it is a rock
Sedimentary
I don't have a slight butting answer
Fold mountain.
Granite, which is an igneous rock, is commonly used for floors and tabletops.
Marble is a beautiful rock commonly used in constructing buildings.
stratum, or more commonly used in the plural form which is strata
how should i know
The most common rock is an igneous rock e.g. Granite.
Halite (rock salt) which is used on driveways
The percentage of its composition of silica.
Sandstone
A texture know as foliation is common in metamorphic rock and garnets are more commonly found in metamorphic rock than other rock types of the crust.
Limestone is a type of rock that commonly consists of calcite. It is widely used for building purposes, and as a pigment.
sandstone
Answer is B: To show that the phrase is unfamiliar and not commonly used APEX