sentence: Corrosion also occurs when an acidic or basic material touches another material.
sentences_before: Corrosion' is the breakdown of materials due to reactions within its area. It is the loss of water and air molecules.
sentences_after: When a material corrodes, it changes it and becomes weaker. Materials that corrode include iron, copper, plastic, skin cells and wood. Also ,corrosion is a form of erosion.
concept_name: corrosion
headings: Corrosion
categories: Chemistry