Pollution

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. Condition in which the earth's surface is worn away by the action of water and wind (7)
  2. 5. Of or relating to the practice of ___ (10)
  3. 6. The discipline dealing with the art or science of applying scientific knowledge to practical (10)
  4. 8. Capable of being decomposed by e.g. bacteria (13)
  5. 9. Providing assistance or serving a useful function (7)
  6. 11. Undesirable state of the natural environment being contaminated with harmful substances as (9)
  7. 12. Available source of wealth (plural) (9)
  8. 14. To bring to humbler or weaker state or condition (6)
  9. 15. A hot vapor containing fine particles of carbon being produced by combustion (5)

Down

  1. 1. The offspring at one birth of a multiparous mammal (6)
  2. 2. The natural world around us (11)
  3. 4. Causing or capable of causing harm (7)
  4. 7. A person judged suitable for admission or employment (plural) (9)
  5. 10. Someone regarded as certain to succeed (7)
  6. 11. Generic name for certain synthetic or semisynthetic materials that can be molded or extruded into (plural) (8)
  7. 13. An artifact made of hard brittle material produced from nonmetallic minerals by firing at high (plural) (8)