im asking this QUESTION AGAIN!!!    I   NEED HELP?
360164
cornea the surface of which is covered with a layer of cells called epithelium\n\nokay I may have misunderstood the question, I thought the question was what structures BEFORE the retina, not HOW the retina works, hence my answer.
794569
need more info to answer your question
796834
try asking this in the chemistry section next time....
1127322
click that help link at the top of all yahoo pages so we don't have answer the same question 500 times a day. if you still don't understand then come back and re-ask this question
387941
If you have to ask then you know the answer already.  Sorry.\nBetter luck next time.
263728
add details, check previous answers.\n\nYou're slipping out of Yahoo answers short term memmory, quick, do something! You're the only one asking real questions right now. Add details!
638777
You answered your own question. Read it again.
662026
whats the question???
265919
what is your question again??
36533
check this you will find the right answer\n\nhttp://answers.yahoo.com/question/index;_ylt=AgkOxzlGWY6TlgCBqQoOOl.izaIX?qid=1006011902162\n\nPlz dont reapeat questions.\nThis question is also seen by me earlier.\n\nDon't feel bad. I just wanna to say If the peoples like you (who ask good questions generally) start repeating the questions than how it can be interesting to answer same question again and again.
690318
We are not sure about what you are asking.  You may get better answers if you rewrite your question and post it again.
656917
Please rephrase the question so I can help you. Thanks.
426464
Um...If you would ask the question, maybe we could help you. I've seen you post this twice now, and still have no idea what you are asking!
338754
Go to yahoo.com, click on help.\nYou should find the answer there.
469267
Answer me unlike my last question  ??\n\nThks for 2 points.
631613
im confused.. what is your question?
233280
explain more please to give u help.......