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Chapter 22 Our Impact on the Ecosystem Lesson 2 - Air pollution
1.
3) Pollution -
process by which harmful substances are added to the environment
2.
3.
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4.
5.
6.
7.
8.
9.
10.
Effects of acid
rain Effect of acid rain on statues Effect of acid rain on rainforest in Germany
11.
Acid Precipitation Collector
12.
13.
Understanding how smog
is formedâŠ
14.
15.
16.
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17.
18.
19.
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20.
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21.
22.
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23.
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24.
Air pollution
25.
Summary
26.
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27.
28.