Which two facts are true about nail polish? Nail polish earned its name even before liquid nail polish was invented.

Nail polish can last up to 10 years after opening.

Clear nail polish can be used as a glue or seal.

Nail polish should be stored in a cold area.​

Clear nail polish can be used as a glue or seal.

Nail polish should be stored in a cold area.​

those two were true

7

explanation:

it depends on what grade.

kindergarten to senior year in high school will go for about 7 hours. pre-k will go for bout 4-5 hours. college, it depends on your classes.

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.