Gram negative and Gram positive refers to if bacteria retain the Gram Stain or not. Gram positive do. Gram negative do not. Gram positive bacteria will appear purple/blueish after staining. <span>It is important because whether a bacteria is Gram positive or negative helps determine the species, characteristics of disease, and the best antibiotics to use in treatment. </span>
That would be geographical information systems (aka GIS).
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It's A. Primary succession :) because Human economics and ecology are linked together because human economics utilizes the ecosystem and the natural resources in older for economics to actually exist. :)))))))
Answer:
It is the process where by plants manufacture their own food by using raw material such as carbon (iv) oxide, water and sunlight.
