Environment

Edit Answers
12345678910111213
Across
  1. 4. the continuous modification and adaption of organisms to their environments through selection, hybridisation, and the like
  2. 5. oxygen in the form of molecules with three atoms, created by exposure of oxygen to electrical discharge or ultraviolet radiation, having a sharp smell, and being an effective oxidant for use in bleaching and sterilizing
  3. 6. the warming trend on the surface and in the lower atmosphere of a planet, held by scientist to occur when solar radiation is trapped, as by emissions from the planet
  4. 7. the part of the earth and its atmosphere in which living organisms can exist
  5. 8. contaminating material that pollutes
  6. 9. a substance used to kill insects
  7. 11. a haze caused by the effect of sunlight on foggy air that has been polluted by vehicle exhaust gases and industrial smoke
  8. 12. the natural environment of a plant or animal
  9. 13. one who illegally hunts on another's property
Down
  1. 1. a species of plant or animal that is in danger of becoming extinct
  2. 2. the act of preserving and protecting from loss, destruction, or waste
  3. 3. the mass of gases surrounding the earth or any other celestial body
  4. 10. no longer existing as an animal species