1 Cut a medium sized onion into small (~5 mm) segments. 2  Weigh out 100 grams of the onion and place into a 600 mL beaker. 3  Cover the onion with the solution prepared in step 1. 4  Put the beaker in a 65 C hot water bath for 15 minutes, pressing the chopped onion mixture against the side of the beaker with the back of a fork. When dissolved, add 75 mL of distilled water to make the extraction solution. 2  Avoid frothing. 3  Cut a medium sized onion into small (~5 mm) segments. 4  Weigh out 100 grams of the onion and place into a 600 mL beaker.
2010 Census Urban and Rural Classification and Urban Area Criteria. The Census Bureauâs urban-rural classification is fundamentally a delineation of geographical areas, identifying both individual urban areas and the rural areas of the nation.
A: Geographical location refers to a specific physical point on Earth. This is more precise than area or place, often defined by a set of latitude and longitude coordinates. Any location that has solid ground such as a country, island or panhandle can be a geographical location on the surface of the Earth. Even though some people state that only solid land that has the mass available for people or animals to live will qualify as one of these locations.