Cliff wrote:
On Mon, 30 Jan 2006 23:45:11 GMT, BottleBob wrote:
Cliff wrote:
Try this:
Pumice, obsidian, and scoria are glasses:
True [X]
False [ ]
Cliff:
That didn't hurt at all. Now your turn.
Good.
There are many glasses G.
Why did you object to these?
Cliff:
Your turn, what are you afraid of?
Pumice, obsidian, and scoria are amorphous (non-crystalline or
"glassy"), igneous rock.
True [ ]
False [ ]
--
BottleBob
http://home.earthlink.net/~bottlbob