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17 days, 6 hours ago
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18 days, 2 hours ago
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20 days, 15 hours ago
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22 days, 10 hours ago
by Ntuli
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Bioelementu nagusienen portzentaia giza organismoan.

27 days, 17 hours ago
by irakaslube
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Bioelementuen portzentaia giza organismo barruan.

27 days, 17 hours ago
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Diagrama honetan litosferan aurki ditzakegun hainbat elementu kimikoren portzentaia azaltzen da.

28 days, 13 hours ago
by Irakaslube
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1 months, 8 hours ago
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