The statue of liberty is made out of copper and was once shiny and copper-colored. over the years, the copper has gone through a process called oxidation, where it has changed into a new material. what has occurred?

choosing tennis and golf balls is your inde choice.

their mass and volume are dep

conduction, convection, radiation

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form