Can We Feed Nine Billion People by 2050?

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ARABLE
METHANE
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GREENHOUSE
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Comments

    Archived Comments

    • fifiyuyu posted on May 28, 2012 6:24:37 AM

      what isthe dialect of the pronouncer's "r'"?

    • bahareh posted on March 23, 2012 10:42:07 AM

      I learned new words from it thanks

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