Penicillin is one example of a type of drug known as an antibiotic. Antibiotics are a group of drugs that are used to treat diseases caused by a specific type of pathogen. Against which type of pathogen do antibiotics work? A. fungi

B. viruses

C. bacteria

D. parasites

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?

Sociology of medicine refers to the study of how social factors affect

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling