Rusting is a chemical reaction between iron and oxygen. over time, the mass of a rusting nail
gradually increases. does this mean that this chemical reaction does not obey the law of
conservation of mass? explain.

Yes this chemical reaction obeys the laws of physics. Its very simple, let me explain.

Explanation:

When Iron(Fe) oxidizes it gains three oxygen atoms so it reacts to form Fe2O3 so it becomes bigger or explands. Its also sometimes called "oxide jacking".

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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the answer is trees if i'm not mistaken