The opposite of frivolous is:
ludicrous
sordid
thoughtful
misty
Which one is it?

i want to say the first one but im not sure

Explanation:

    prior to dee leaving home, the everyday objects in her household were just that- everyday objects. she took no special notice of any of them. however, once she returns home, all of these objects represent great culture significance to her. she is incredibly enthused about how great the wooden benches and old quilts are because she thinks it is in-style to be in touch with her own culture.

hope this : )

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.