Question

Rust is formed when iron combines with
1.hydrogen
2.nitrogen
3.ozone
4.moist air ​

Answer 1

Answer:

Hi,

Explanation:

Your answer is moist air ✌️✌️✌️

Answer 2

$\fbox\colorbox{cyan}{❥Yøur-ᎪղՏωᎬя♡}$

when iron or an alloy that contains iron, like steel, is exposed to oxygen