"Today, the term dry run is often used to refer to a rehearsal. This meaning originated in the field of firefighting, where dry represented a practice drill in which the hoses were turn off, and run simply meant a response to a fire alarm, whether real or for a drill." What type of definition is represented in this statement? A definition by… A. definition by synonym B. operational definition C. definition by example D. etymology

The best answer is "D"

Definition by etymology

Explanation:

This because the meaning of the term "dry run" is being studied and it's origin analysed putting into consideration how its meaning have changed over the years and how it's being used in present day.

answer: cruel

explanation:

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.