1 perfect cubic metre of sand=1 perfect cubic metre of glass
I'm not sure what it really called, but I think it is called a Mint, if it makes coins ex. Royal Mint
No. Tough can mean hard, but it can also mean strong. Tuff is a kind of volcanic rock.
It contains all the 9 digits
Algebra makes use of letters and mathematical symbols.
A bubble glass is a glass that is made in the Ryukyu Islands. The bubble glass is formed from a small piece of molten glass, which is then cooled and shaped into a glass container.
It makes a metamorphic rock.
There is no rock that makes up igneous rock. It is made when lava cools and hardens.
granitesandstonescrust
Sedimentary
Silver makes the glass change color over time.
Basalt
Obsidian, or "volcanic glass," is made when molten rock comes out of a volcano and cools so quickly that no crystalline structure has time to form. This makes obsidian an extrusive igneous rock. The cooling occurs right at the surface.
rock wool is made out of rock and glass wool is made out of glass
ask your mom
Erosion and deposition may eventually result in the formation of sedimentary rock.
Shiprock is comprised of a form of magma known as volcanic breccia.
The kind of music the band Eloy makes is symphonic rock and space rock. Eloy is a German progressive rock band, with a large fan-base all over the world.