How do they suspend plants in water for hydroponics?

My school has aquaponic system, a combination of aquaculture (growing aquatic animals in a tank to be harvested) and hydroponics (growing plants suspended in water w/ no soil) so that the feces of the fish fertilize the plants. We do it the unusual way, we grow them in gravel, the fish are gown in a separate tank and the water is pumped into the plants gravel

Sorry for bad grammar and spelling, I'm using my ipad to type this and its not as easy as it seems

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Why will my Ipad 2 not recognize the charger?

Yesterday my Ipad 2 would not recognize the charger at all. I tried plugging it into my MAC and wall outlet and nothing, I switched to a brand new charger and nothing. Also I looked at the 30pt port and I saw nothing bent or wrong. Anyone have any suggestions or this happen to them. Unfortunately I also DO NOT live anywhere close to an apple store and the warranty is expired on it. Thanks for any help.

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Using google docs on ipad?

How do I send a google doc as an attachment on my gmail account on my ipad?

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What do I do about this one kid?

Okay, so there's this extremely annoying guy who won't stop messing with my friend and I. His name will be Mike and my friend's will be Helena. Anyway, so Mike and I actually kind of use to be friends. He was planning on making an anime and since I'm a little good at drawing he asked me to draw the characters for him. I knew I wouldn't be able to with my busy schedule so I said I couldn't. Then, Mike started bribing me with the new Bioshock that just came out since I really wanted it. I didn't take his offer and he said "I bought this for you and you won't even draw me anything, ***?" Since I'm too nice of a person, I didn't start anything. Mike also use to have a crush on me but I'm extremely loyal to my boyfriend so after him always making sexual comments at me, I told him nicely that I wasn't interested. Nowadays he just won't leave my friend Helena and I alone. He always hits Helena with his iPad over her head and he texted her today that he wanted my number for "trolling revenge". He's been kicking and hitting me. He calls me a *** all the time just for not drawing his anime. Mike also thinks that I hacked his Club Nintendo or something so he said he'd spread rumors about Helena and I. That we had sex with him or something. Which is kind of stupid since we're both abstinent.In addition, yes, I've confronted guidance in my school about this but they said if they don't see him do it then they can't do anything. What can we do to make him stop? We ignore him and don't do anything to provoke him.No rude answers, please.
Semi- important detail I should add. He tries to provoke us by saying "Women suck," "Women are weak" "Video games are way better" the only rude thing we said back was: "I hope you have fun with your hand, you'll never get a girlfriend" and he argues back that he has one in Harvest Moon.

Please help?

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Where's a smart place to hide an iPad at summer camp?

I'm going to summer camp and I want to bring my iPad, the only problem is I'm concerned it could be stolen. Any suggestions on where it could be hidden or good containers to hide it in?

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Does my ability to envision stuff so graphically make me schizophrenic?

Am I schizophrenic-plz help?
I know it's not real but for example I can look at a car and "envision" moving it. For example I can see a parked car and see it starting up, taillight a coming on, and it drving away. I know it's not real but I can do stuff like this with my mind or move trees, roots and all. Or I can look and make people appear. I know they aren't real but they look real. For example I even at times get images that are in front of me on what would be an iPad screen and I have trouble making them go away.

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How much can i get for a apple ipad?

How much can i get for a apple ipad?

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How to use a calculator on an ipad?

How can you use a calculator on an ipad?

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What're the best FREE iPad games with multiplayer (bluetooth) feature?

The only games we have, so far, is Space Team and Battleship Craft.

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Can you download PDF files on ipad mini?

I just bought a ipad mini and i want to know if you can download PDF files, and if you can does it take up all the gig? I only have 16 gig so i dont want to use it all on a few files. Thanks…

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