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#1
08-19-2015, 10:24 PM
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Invasive plants spread fast in billion-dollar threat: study
OSLO (Reuters) - Many of the world's plants are turning "alien", spread by people into new areas where they choke out native vegetation in a worsening trend that causes billions of dollars in damage, scientists said on Wednesday.  ??????? ??????: Invasive plants spread fast in billion-dollar threat: study || ??????: ahlam1399 || ??????: اسم منتداك
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