Environment Brain Teaser

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