<human>: Objective: How to keep a compost heap healthy?

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- add both natural and synthetic waste to the heap and insure you don't agitate and move its contents regularly
- only add natural and organic waste to the heap and insure you agitate and move its contents regularly
<bot>: only add natural and organic waste to the heap and insure you agitate and move its contents regularly