Please answer in full detail and don't write it on paper. THANK YOU, I will give a thumbs up if you answer all!

Questions: 1. Explain how the addition of another metal can speed up the corrosion of iron. (Hint: See the activity series of metals shown below.) 2. Explain how the addition of another metal can prevent the corrosion of iron. ((Hint: See the activity series of metals shown below.) 3. If an iron fence was to be designed, list three ways that would prevent it from rusting. 4. Explain one method that prevents underground metal pipelines from undergoing corrosion. 5. Provide four different approaches to design metal bridges so that they are prevented from undergoing corrosion