Across
- 3. is a person who is comprehensive and has knowledge or skill in a particular area
- 4. process of receiving or giving systematic instruction, especially at a school or university.
- 5. through analysis of the subject or theme
- 6. in or caused by nature; not made or caused by humankind.
- 7. a biological community of interacting organisms and their physical environment.
- 8. water is made available for delivery to the contractors by the project
- 9. a river or stream flowing into a larger river or lake
Down
- 1. an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
- 2. a set of related measures or activities natural with a particular long-term aim
- 3. relating to the natural world and the impact of human activity on its condition.
- 10. off flows over and away from a surface.