Across
- 3. the air pollution that hangs over urban areas
- 4. Involves planting crops in between rows of trees
- 5. farms managed by a family or grouop of owners with the help of paid employees
- 6. alum os added to water that produces sticky particles in which dirt clings to
- 7. states that energy cannot be created and it cannot be destroyed.It can only be transformed
- 8. a type of soil that does not drain or aerate well
Down
- 1. refers to biodegradable, remains of plants and animals
- 2. a measure of how much natural resources are used by a person or community
- 5. is waste that can readily decompose and return to uncontaminated state