"The folks at the GPRI point out that the phosphorus in just one person’s urine would be close to the amount needed to fertilize the food supply for one person. . . . In fact, NoMix toilets have been invented which allow for the collection of urine separate from solid wastes, allowing phosphorus and nitrogen to be recovered and used as fertilizer."
Bernard English
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- Native Speaker of American English Conversation practice. Chatting or in-depth discussion of news articles. TOEFL-IELTS practice / CV, SOP, journal paper, essay revision 英語家教 彈性排課, 免通勤, 托福, 職場英文, 履歷/論文修改…等。 請看我的學生推薦信。
Friday, April 30, 2010
Peak Everything? by Ronald Bailey FROM Reason
Native Speaker of American English
Conversation practice. Chatting or in-depth discussion of news articles.
TOEFL-IELTS practice / CV, SOP, journal paper, essay revision
英語家教
彈性排課, 免通勤, 托福, 職場英文, 履歷/論文修改…等。
請看我的學生推薦信。