B. Carbon dioxide bexause it is 96.5%
Answer:
Rust is a chemical reaction (oxidation) of iron that occurs over a period of time as the bare metal surface comes in contact with oxygen present in the air or water. Rust "eats" away the metal, rendering it weak and fragile. ... Avoid contact with water or moisture.
Answer:
Coal
Explanation:
Once it's all been mined, there's no more. It's not like we grow it.
