the presence of dash and dash are necessary for iron to Rust
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The presence of water and oxygen is essential for the rusting of iron.
Impurities in the iron, the presence of water vapor, acids, salts and carbon dioxide hastens rusting.
Pure iron does not rust in dry and carbon dioxide free air.
It also does not rust in pure water, free from dissolved salts.
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oxygen and airmoisture and water mark me as brainlist
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