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.
Or as Wikipedia put it, an ecological footprint is a measure of human demand on the Earthâs ecosystems. That measure can be approximated by using ecological footprint calculators which measure our using up of Earthâs resources (and generating emissions) across our day to day activities. Tina let us know how we can use the internet to save the world Use The Internet To Save The World Use The Internet To Save The World Read More almost two years back.