Across
- 2. to study or examine something in detail
- 4. standards by which something can be judged or decided
- 7. a layer of vegetation beneath the main canopy of a forest
- 11. the introduction of harmful substances into the environment
- 13. a person in charge of or skilled in planting, managing, or caring for trees
- 15. to stop growing or developing and not show any signs of activity
- 16. to make something—such as a problem, symptom, or punishment—less harsh or severe
- 17. quality or state of being correct or precise
- 18. a process or system characterized by constant change, activity, or progress
Down
- 1. a highly reactive gas composed of three oxygen atoms
- 3. a young deer in its first year
- 5. a land area that channels rainfall and snowmelt into creeks, streams, and rivers
- 6. able to endure, withstand, or recover quickly from difficult conditions
- 8. a colorless, odorless, flammable gas that is the main constituent of natural gas
- 9. the quality of allowing light to pass through, so that objects behind can be seen
- 10. to calculate, predict, or estimate a future event or trend
- 12. a gap in a wall, barrier, or defense
- 14. specialized terminology associated with a particular field or area of activity