10.29: Atmospheric Processes- Challenge 5
- Page ID
- 5506
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- 1. Unlike secondary pollutants, ___ pollutants are released directly into the air by natural processes or, more often, human activities.
- primary
- 2. ___ is a heavy metal that can cause brain damage or blood poisoning and can still be found in some old paints.
- Lead
- 3. ___ are solid particles such as ash, dust, and fecal matter.
- Particulates
- 4. Emission control devices placed on power plants to comply with the Clean Air Act have ___ coming from smokestacks.
- reduced the amount of pollution that we see
- 5. Nearly half of all pollution comes from ___.
- transportation
- 6. If fossil fuels like coal and petroleum are not pure, they may ___.
- produce pollutants
- 7. In the process of ___, toxic heavy metals in the atmosphere can enter food chains by building up in consumers' tissues.
- bioaccumulation
- 8. ___ can cause lung diseases, increase the risk of heart disease, and trigger asthma attacks.
- Particulates
- 9. ___ in the troposphere reduces productivity and harms the leaves of plants.
- Ozone
- 10. Which chemicals can neutralize the effects of acid rain?
- Carbonates
- 11. ___ is used to treat bodies of water affected by acid rain.
- Lime kiln dust
- 12. Poor nations experience acid rain and ___.
- may experience crop damage that they can't control
- 13. The ozone layer in the stratosphere, which protects us from UV rays, is being depleted, mostly by the increase of ___.
- chlorofluorocarbons (CFCs)
- 14. Ozone in the stratosphere ___, while ozone in the troposphere ___.
- protects Earth's surface from UV radiation; is a pollutant