Water Pollution
Across
- 1. polluting compounds that come directly out of the smokestack, exhaust pipe, or natural emission source.
- 3. (CFCs) major source of chlorine in the stratosphere; are used in refrigeration and air conditioning, as propellants in aerosol cans and as “blowing agents” to inject air into foam products like Styrofoam.
- 5. compounds that have a high vapor pressure and low water solubility.
- 7. the introduction of chemicals, particulate matter, or microorganisms into the atmosphere at concentrations high enough to harm plants, animals, and materials such as buildings, or to alter ecosystems.
- 10. a mixture of solid particles and liquid droplets found in the air
- 11. also called Los Angeles-type smog; a type of smog produced when ultraviolet light from the sun reacts with nitrogen oxides in the atmosphere.
- 13. when a relatively warm layer of air at mid-altitude covers a layer of cold, dense air below.
- 15. pollutants that have undergone transformation in the presence of sunlight, water, oxygen, or other compounds.
- 16. a heat-resistant fibrous silicate mineral that can be woven into fabrics, and is used in fire-resistant and insulating materials such as brake linings.
Down
- 2. a condition in which people in a building suffer from symptoms of illness or become infected with chronic disease from the building in which they work or reside.
- 4. a region or layer of the atmosphere in which the temperature stops decreasing with elevation and instead becomes warmer.
- 6. forms when heat and sunlight react
- 8. secondary air pollutants formed by the action of sunlight on nitrogen oxides and reactive hydrocarbons, their precursors.
- 9. derives from the massive combustion of coal and fuel oil in or near the city, releasing tons of ashes, soot, and sulfur compounds into the air.
- 12. combination of gases with water vapor
- 14. also known as London smog; develops due to high concentration of sulfur oxides in the air.
- 16. dust.