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Tue 1 Dec, 2009 08:19 pm
Do plants always grow downward?
Can plants grow without the soil?
Can plants grow frow leaves?
Do bigger seeds produce bigger plants?
@Calvin Shew,
can you do your own homework?
do you expect us to do it for you?
@Calvin Shew,
Hi Calvin...you could start with this Wiki page
http://en.wikipedia.org/wiki/Hydroponics