This metal makes up 5% of the Earth's crust but only .004% of a person
[DOC] [TLE] Four Elements: Earth, Water, Air, Fire - Home Science Tools [PAR] The idea that these four elements - earth, water, air, and fire - made up all matter 
was ... temperaments a person could have, and Hippocrates used the four 
elements to describe ... Rich deposits of metal ores are found throughout the 
earth's crust.