How does the detail about the study of twins contribute to the text ( Paragraph 22)?
O A It proves that environment has a significant impact on a person's happiness, as twins do not the same level of happiness after being
separated.
OB It shows that happiness is greatly determined by genetics, so evenseparated twins are likely to have the same level of happiness.
I C It shows how twins' happiness levels are affected when separated at birth.
OD It proves that there is no accurate way to determine what impacts a
person's level of happiness

monkey investigator

explanation:

he looks like one

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.

im sure you mean write *

the question is the text structure of this passage is. a. chronological order. b. problem and solution. c. cause and effect. d. compare and contrast.