What is the main defining feature of cradle to grave? Question 8 options: a) The process has a built in obsolescence where it can be re-used at the end of its life b) life cycle in which at the end of the process the product is discarded or goes into the trash c) life cycle in which at the end of the process the product is recycled. d) life cycle in which at the end of the process the product is discarded or recycled