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|
|
1
|
material (as waste food) that has been thrown out
|
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2
|
when the environment is contaminated, or dirtied, by waste, chemicals, and other harmful substances
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4
|
Gases that come from an engine as waste products.
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6
|
Smoke that come out of a factory, giving out harmful fumes.
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8
|
All the physical surroundings on Earth
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|
|
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1
|
The average surface temperature on Earth is slowly increasing
|
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3
|
a way to reduce the amount of garbage that is thrown away
|
|
5
|
to use something more than once
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|
7
|
garbage bing thrown out into public areas
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|
9
|
to make a number smaller
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