5th grade Science Lesson 5 Earth's Atmosphere

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Author:
CmuellerALC
ID:
311675
Filename:
5th grade Science Lesson 5 Earth's Atmosphere
Updated:
2015-11-18 10:57:02
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5th grade Science Lesson Earths
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5th grade Science Lesson 5 Earths Atmosphere
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5th Grade Science Lesson 5 Earth's Atmosphere
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  1. Many pollutants get into the air burning ______  _______.
    fossil fuels
  2. Natural events such as grass and forest _____ fires spread smoke.
    fires
  3. A mixture of smoke and fog known as ____ hangs over many cities like a brown cloud.
    smog
  4. It can kill people who have _______ problems.
    breathing
  5. There are holes in the ______ layer.
    ozone
  6. These allow harmful UV ________ through.
    radiation
  7. Substances called _____ are released from products like refrigerators and aerosol cans.
    CFC's

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