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05:04

What if all Insects Disappeared? | #aumsum

95

B1 Intermediate US
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05:31

Why is it hard to cure Common Cold? | #aumsum

68

B1 Intermediate US
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06:50

How much Water should you Drink per day? | #aumsum

108

B1 Intermediate US
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05:14

What if earth lost Oxygen for 5 seconds? | #aumsum

43

B1 Intermediate US
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07:17

The Human Heart | #aumsum

26

B2 High-Intermediate US
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08:00

Layers of the Earth for Kids | #aumsum

11

B2 High-Intermediate US
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08:35

Vermicomposting | #aumsum

10

B2 High-Intermediate US
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05:58

Volume of a Sphere | #aumsum

6

B1 Intermediate US
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05:28

Seed Germination | #aumsum

22

B2 High-Intermediate US
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08:06

3 Types of Rocks | #aumsum

32

B2 High-Intermediate US
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05:23

Phases of Moon | #aumsum

13

B1 Intermediate US
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05:32

Why is Space Black? | #aumsum

13

B2 High-Intermediate US

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AumSum

AumSum

Hello~我是AumSum!

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