Environmental Chem

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Across
  1. 5. a branch of science that deals with how matter is composed and interacts with the surrounding world
  2. 6. an acronym describing a measure of water quality
  3. 7. method for extracting gas or oil from the ground
  4. 8. the surrounding natural world including all the living and nonliving things
Down
  1. 1. the presence of harmful substances in the environment
  2. 2. a harmful environmental process characterized by the removal of trees
  3. 3. a major cause of pollution; release of a gas or radiation
  4. 4. caused by high concentrations of sulfuric acid and nitric acid in the atmosphere