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.
Your carbon footprint measures the environmental impact of your lifestyle. Everything you do has an impact --- positive or negative --- on the environment. That's the concept behind your carbon footprint, which is one method of measuring the environmental effect of your lifestyle. A carbon footprint, measured in tons, indicates the amount of carbon dioxide and other greenhouse gases that are produced as a result of your daily activities. You can reduce your footprint by changing the way you live your life. Even seemingly tiny changes can make a significant difference.