Scenario: You are a Junior Engineer in materials consulting company. before you have direct contact with clients your line manager needs to be assured 0! your technical and analytical competence. Activity 1: Your line manager has forwarded you two queries from clients and wants to see howyou would respond. Task 1 a} A client has approached yOu for advise on using alternative materials for use in electrical wiring, they are currently using copper which is expensive. They have identified iron and graphite as potential alternative material as they conduct electricity. Referring to the molecular lattice structure, physical prOperties and electrical conductivity of the three materials, explain why copper is the only suitable material to use for electrical wiring. b] Another client is designing a new product and are considering using either steel or a plastic polymer as an alternative material. Discuss the types of environmental degradation that would be experienced by: i. Plastic polymers such as PET ii. Mild Steel