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21
[.Áö±¸/ȯ°æ] -
Mysterious Red Glow
PLAY & DUBBING
22
[.Áö±¸/ȯ°æ] -
The Carbon Cycle and Climate Change
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23
[.Áö±¸/ȯ°æ] -
The Ubiquitous Soybean
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24
[.Áö±¸/ȯ°æ] -
The Ozone Hole
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25
[.Áö±¸/ȯ°æ] -
Is the Weather Becoming More Extreme?
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26
[.Áö±¸/ȯ°æ] -
Phone Battery Gets Worse Over Time
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27
[.Áö±¸/ȯ°æ] -
How to Make Cleaner Coal
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28
[.Áö±¸/ȯ°æ] -
Does Planting Trees Actually Cool the Plane...
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29
[.Áö±¸/ȯ°æ] -
A Sustainable Solution for Climate Change
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30
[.Áö±¸/ȯ°æ] -
Turning Wastewater into Drinkable Water
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ENGLISH ACADEMY