I think d
Rust is a molecule that is composed of two element As the rust forms on the surface of the iron, it flakes off to expose more iron, which will continue to rust. Rust is clearly a substance that is different from iron. Rusting is an example of a chemical change
Answer:A
Explanation:
I took the quiz and got it right (if you do your research on the pacific railroad bill it’s the only logical answer)
The answer is D.
England was very rich with minerals and the population was rapidly growing.
