- #1
B0b-A
- 155
- 32
How many of the [ 92?] naturally occurring elements could be found in hand-full of sand ?.
Including those only present at minuscule , but measurable , amounts.
http://en.wikipedia.org/wiki/File:PismoBeachSand.JPG
Including those only present at minuscule , but measurable , amounts.
http://en.wikipedia.org/wiki/File:PismoBeachSand.JPG