What are the sampling units most commonly used in ethnographic qualitative research?
a. Realist, confessional, impressionist, critical, formal, literary
b. Site, setting, people, activities, events, times
c. Text, rhetoric, drama, narrative, discourse
d. Words, conversations, minutes, phrases, topics

option B: Site, setting, people, activities, events, times

Explanation: a sampling unit can be defined as a member of the experimental population. it can be one animal, one person or even one plant. in terms of  market research, a sampling unit is  called individual or a person.  sampling unit are usually a single value in nature that was drawn from a population and put into a smaller unit so that research sample can be formed.

invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.