Chapter 3.8 (Science, Grade 5)

Air Pollution and Protection

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Chapter topics:

  1. Air Pollution and Protection
  2. Polluted air spreads everywhere
  3. Burning fuels pollutes the air
  4. Bonus: What is smog?
  5. The atmosphere is like a greenhouse
  6. Some pollutants cause acid rain
  7. We have to protect the air
  8. I now know that…
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