List of sources (= reliable websites, journals, books etc.)
“ Hansen, J.A. (1996). Management of Urban Biodegradable waste.
“ Sushil,D. (1990). Waste Management.
“ Michel Gunther. Biodegradable and Non-biodegradable materials. wwwf.panda.org
“ www.science.jrank.org
plan: * Introduction:
“ Usage areas of both biodegradable and non biodegradable materials.
“ Their role on affecting the environment and the contemporary life.
“ we should reduce using non-biodegradable products more than biodegradable products as they more harmful.
* Main body:
~Comparative analysis between the two types of materials:
-The definition ,characteristics, composition, and examples on biodegradable and non biodegradable products
-positive and negative Impacts on the environment.
“ How to decrease the negative impacts of non-biodegradable products.
-Solutions of their impacts.
*Conclusion:
“ My opinion about the two types of materials.
“ further solutions and my suggestions about this issue.
“ Discussing the role of the advanced technology.
