Science question about underground survival.

[melody_wood14]

--- In HPFGU-OTChatter at yahoogroups.com, "Tonks" <tonks_op at ...> wrote:
>
> OK.. let me try this again.
> 
> The President and the Congress has secret underground bunkers or 
> something that they go into in the event of an attack on the 
country. 
> In fact they used them during 9/11. Also submarines manage somehow 
to 
> go under the sea and stay for a long time before coming back up. I 
am 
> not a scientific person and I don't understand about oxygen, etc. 
But I 
> know that we need it and there is a balance between the plants and 
us. 
> On an smaller scale than the government has, how would a person 
live 
> underground as far as oxygen is concerned if you had to concerned 
about 
> poison in the air. And other than food and water, is that all they 
> would need if they had to stay there for 6 months? 
> 
> Maybe I should ask the Slytherins since they spend a lot of time in 
the 
> dungeons.
> 
> Tonks_op
> I may be a bit crazy, but you have to admire my persistence.
>


>I don't have an answer but do have a question. Did you read The Host 
>by Stephenie Meyer? Your comment reminds me of the book. Gotta go I 
>Dolly must be huge because I'm in Houston and can see the lightning 
>comming. Hope these outer band are not to bad. We just moved here 2 
>years ago and have not been it this house during high winds before.

>Melody_Wood14