shikish
contestada

Which of the following is not an example of a pure element?
A) copper wire
B) O2
C) CO2
D) Ar

Respuesta :

Copper wire is not an example of a pure element because although it's made by pure elements, it's not one itself. It's made by factories.

Have a nice day! :)
B) O2

hopefully that helps lol if u have any more questions like that do be afaid to ask me