Possessive Nouns. Possessive nouns are used to indicate ownership. Possessive nouns usually are formed by adding an apostrophe (') and s. When a noun is plural and ends in s, just add an apostrophe ('). If two people own one thing, add the apostrophe and s to the second person only. If two people own separate things, add the apostrophe and s for each person.
Types of antibiotics. There are hundreds of different types of antibiotics, but most of them can be broadly classified into six groups. These are outlined below. Penicillins (such as penicillin and amoxicillin) â widely used to treat a variety of infections, including skin infections, chest infections and urinary tract infections.
Overuse of antibiotics. The overuse of antibiotics â especially taking antibiotics even when they're not the appropriate treatment â promotes antibiotic resistance. Antibiotics treat bacterial infections but not viral infections.For example, an antibiotic is an appropriate treatment for strep throat, which is caused by the bacterium Streptococcus pyogenes.veruse of antibiotics. The overuse of antibiotics â especially taking antibiotics even when they're not the appropriate treatment â promotes antibiotic resistance. Antibiotics treat bacterial infections but not viral infections.