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.
1 Denmark ranked first for ecological footprint amongst Europe in 2000. 2  Kuwait ranked first for ecological footprint amongst Hot countries in 2000. 3  Estonia ranked first for ecological footprint amongst Emerging markets in 2000.  South Africa ranked first for ecological footprint amongst Sub-Saharan Africa in 2000.