it's a question of defining "thing" if breaking it down to the basic elements such as oxygen and iron then the earth is made mostly of that. however Perovskite is the most common material. material in this case being a assembly of molecules rather then separate moleculesBad Jim said:Nope, here in the UK we also have our fair share of dumbness.
The most common elements on Earth are iron and oxygen. Water isn't even close ROFL.Dandark said:You can find stupidity everywhere you go. Seriously the two most common things on this planet are water and human stupidity.
http://en.wikipedia.org/wiki/Earth#Chemical_composition