... 2 back nearly 300 years before the building of the ditch. This means they were not garbage, but particular remains purposely chosen and kept. They were then placed carefully to possibly define key points. Also discovered is a series of post-holes on the Northeast side. These holes suggests a series of wooden doors, which made a triple entrance. Another set of post-holes lay ... dates. Each process includes Lipinski 3 washing and rinsing in hydrochloric acid the residue twice filtered and dried. The protein collagen is then purified by a process called gelatinization and n exchange. Last...

• Word Count: 1300
• Approx Pages: 5
• Grade Level: High School

... the foreground a problem that is widely overlooked by society as a whole. Air pollution is a serious matter and one that needs attention. Before we can address air pollution, we must first define pollution. "Pollution has its origins in the Latin word polluere, which means "contamination of any feature of the environment"" (http://hk.geocities.com/xavier114fch/01/01-content.htm). Photochemical smog ... most all of them contribute to the air pollution dilemma. Almost all air pollutants are the result of burning fossil Page 2 fuels either in the home, by industry or internal combustion en...

• Word Count: 1332
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School