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: [[Rusting]] is a form of [[corrosion]].
: [[Acid Rain|Acid rain]] causes the [[corrosion]] of [[limestone]] and [[marble]] buildings and statues.
==Key Stage 4==
===Meaning===
[[Corrosion]] is when a [[material]] is worn down by [[Chemical Reaction|chemical reaction]]s with [[substance]]s in the environment.
===About Corrosion===
: [[Corrosion]] is commonly caused by [[Water]], [[Oxygen]] and [[Acid]]s in the environment.
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===Preventing and Reducing Corrosion===