Across
- 3. cycle essential elements of living matter that are circulated
- 5. Links between living things
- 7. physics Analysis of Interaction
- 9. Interconnection between the land, ocean, atmosphere and life of our planet
- 10. Matter can not be created or destroy
Down
- 1. Transfer of oxygen
- 2. All living things are connected to each other
- 4. this apply to everywhere
- 6. Links between living things
- 8. A process by which organism decay into the ground