送交者: HunHunSheng 于 2005-1-04, 12:34:58:
回答: If oil can be easily replaced by alternative energy 由 HunHunSheng 于 2005-1-04, 12:32:54:
plastics, lubricants, fertilizers, cosmetics, etc.
You can use wind, dam, sun to produce electricity but what about raw materials for plastic industry?