Staph infections, caused by the bacterium staphylococcus aureus, are increasing in frequency and are more difficult to treat with antibiotics. many staph infections are now caused by mrsa, and methicillin-resistant strain of s. aureus. what explains the more widespread phenomenon of mrsa prevalence in staph infections?
can you paste a picture of the diagram?
clays are derived from the minerals in rocks by chemical decomposition. they are the end product of weathering . there are different families of clays depending on chemical composition and crystal structure and there are various clays in each family. soils are mixtures of rocks, minerals, and clays. like clays, soils are grouped but by texture and mineral composition rather than by chemistory and crystallography. given enough time a soil may break down to one or more clays but a pure clay will never break down to soil.
this was a very loose description of the differences. if you need more specific information you should be able to find it using one of the internet search engines.
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