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.
A carbon footprint is the amount of greenhouse gasesâprimarily carbon dioxideâreleased into the atmosphere by a particular human activity.A carbon footprint can be a broad meaasure or be applied to the actions of an individual, a family, an event, an organization, or even an entire nation.ou can't control everything, but being conscious of your carbon footprint helps. A carbon footprint is the amount of greenhouse gases produced by a particular human activity.