A gram stain is a type of microbiology or laboratory test that determines whether bacteria are present. It also determines whether bacteria are gram negative or gram positive. The difference between gram negative and gram positive bacteria can be important when determining appropriate treatment for an infection.
Globally, the available ecologically productive land area included in the Ecological. footprint analysis is 1.89 hectares for each person. The footprint takes into account fossil. fuel use, cropland, forests, nuclear and hydroelectric power, fisheries and buildings.
Below are the values of the carbon footprint by capita for the year 2002. Data source was again the World Resources Institute (WRI). Some remarks to these values: 1  The world-wide average is 4 tons of carbon dioxide (CO2) per person per year.2  The average of all industrialised nations is about 11 tons of carbon dioxide (CO2) per person per year.ata source was again the World Resources Institute (WRI). Some remarks to these values: 1  The world-wide average is 4 tons of carbon dioxide (CO2) per person per year. 2  The average of all industrialised nations is about 11 tons of carbon dioxide (CO2) per person per year.