area of effect

[Joseph Rogelio Fernandez <jfernand@ecn.purdue.edu>]

I some questions on area effect spells.  For spells that you don't need 
LOS to use, can you place a area effect spell(one that doesn't fire 
forward from the caster but just appears there) in an area not in LOS.  
An example is if there is a door in front of me and there is dirt under 
me up to and(hopefully) behind the door, can I liquify the dirt behind 
the door?(I don't have a book with me so if liquify requires LOS, 
substitute a spell that doesn't require LOS.((I know of one spell 
definitly that does but I refuse to mention it on the grounds that errata 
is soon to be written on it and it is therefore in discussion)))  To add 
another variable to the equation(just came from math class) what if I 
have been on the other side of the door, am being chased by something, 
close the door in hopes to stop or slow the something after me and wish 
to slow it down even more with the spell, can I cast a spell on the dirt 
I know is there but don't have LOS on, with a spell that doesn't require LOS?
Another question, if you don't understand the language of the speaker of 
a divine word does it work?(This is not including if the listener is 
under or behind something that would obviously impede the sound of the 
divine word)My opinion on the first question is no to the first part(you 
don't know if there is something to cast on behind the door) and yes to 
the second part.  The Divine word acts like Power words in AD&D where it 
doesn't matter what I say it in as long as you hear it(clearly and not 
through many feet of solid stone),6d6 vs. CSE.  I would like some 
opinions on both matters but hope not to turn it into a 
bloodbath,.......again!