a)issues of biodegradibility of plastic
b)methods of waste disposal and the issues
PLEASE HELP
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http://www.google.com/#hl=en&sa=X&ei=duuBTv2BBO_JsQKk2sjgDg&ved=0CB4QvwUoAQ&q=biodegradability+of+plastic&spell=1&bav=on.2,or.r_gc.r_pw.&fp=48cf89d288d1a0a1&biw=853&bih=544
http://www.google.com/#sclient=psy-ab&hl=en&source=hp&q=methods+of+waste+disposal+&pbx=1&oq=methods+of+waste+disposal+&aq=f&aqi=g2g-v2&aql=1&gs_sm=e&gs_upl=33106l33907l1l34530l1l1l0l0l0l0l126l126l0.1l1l0&bav=on.2,or.r_gc.r_pw.&fp=48cf89d288d1a0a1&biw=853&bih=544