Answers

2014-07-27T10:56:08+05:30
This is becuase water is not available.
And the temperature at moon is not suitable for living (:
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1 no water, 2 no atmosphere , 3 tending to 0 amount of water , 4 temperature varies very fastly as no atmosphere , 5 as no air no voice communication , 6 if two people are standing on moon then they are not able to see each other as ligh do not stay for a while on surface as well as atmosphere(as there is no atmosphere) note:- we are able to see each other on earth because of atmosphere , 7 there is no harmful ray protection as we have on earth . So i know only these points for your question
sorry friend i am new to this website , i had wanted to answer to this question so thats why i had comment on your answer in order to give answer to the person who had asked on this question , so please do not mind this "sorry" , but now i had learnt how to answer to questions. ("once again SORRY for writting answer in comment")
2014-07-27T11:38:13+05:30
1 no water,
2 no atmosphere ,
 3 tending to 0 amount of water ,
 4 temperature varies very fastly as no atmosphere ,
5 as no air no voice communication ,
 6 if two people are standing on moon then they are not able to see each other as ligh do not stay for a while on surface as well as atmosphere(as there is no atmosphere)
note:- we are able to see each other on earth because of atmosphere ,
 7 there is no harmful ray protection as we have on earth . So i know only these points for your question

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