Unit 5

2. a biofuel intended as a substitute for diesel.
6. the science or practice of planting, managing, and caring for forests.
7. tending to absorb moisture from the air.
9. trench or small valley
12. a person who fells trees for timber; a lumberjack.
13. a tree that bears cones and needle-like or scale-like leaves that are typically evergreen.
14. wild animals
15. an expert in or student of ecology

1. a person in charge of a forest or skilled in planting, managing, or caring for trees.
3. the modification of the environment to stimulate existing bacteria capable of bioremediation.
4. an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
5. a thing, especially a trend or fact, that indicates the state or level of something
8. having or relating to strong affinity for oils
10. the wood from a broadleaved tree (such as oak, ash, or beech) as distinguished from that of conifers
11. an area of land that is usually saturated with water