Across
- 4. the long term prevailing weather conditions at a particular place based upon records.
- 5. a material used as an insulator and as a fire retardant
- 7. increase in the concentration of acid
- 8. short term periodic change in the location of warm and cold water masses in the Pacific Ocean
- 11. winds that blows predominantly in one direction.
Down
- 1. the distance from the equator measured in degrees north or south of the equator
- 2. the movement of air within the atmosphere
- 3. measure the intensity of sound.
- 6. air pollution hanging over urban areas and reduces visibility
- 9. is a molecule made of three oxygen atoms
- 10. human made chemicals that damage the ozone layer
- 11. measure of how acidic or basic a substance is