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magic_moo

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magic_moo

plants

how do plants get there? nitrogen? carbon?
00:09 Thu 24th Apr 200842 answers, last by Pottsy 09:42 Sat 10th May 2008
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magic_moo

nitrogen

why is nnitrogen important for plants and animals?
03:09 Tue 22nd Apr 20082 answers, last by magic_moo 03:26 Tue 22nd Apr 2008
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magic_moo

food web.

what is passed along in a food web?
01:27 Tue 22nd Apr 20082 answers, last by magic_moo 02:48 Tue 22nd Apr 2008

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