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20
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05:28
Seed Germination | #aumsum
36
B2 High-Intermediate
US
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01:02
Why do we get car sickness? | #aumsum
57
B2 High-Intermediate
US
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10:58
What causes Pneumonia? plus 9 more videos.. #aumsum
38
B2 High-Intermediate
US
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01:22
Why can't you use phones on planes? | #aumsum
116
B1 Intermediate
US
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04:39
Potential and Kinetic Energy for Kids | #aumsum
29
B1 Intermediate
US
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01:33
What causes chapped lips? | #aumsum
27
B1 Intermediate
US
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02:26
Modes of Transportation | Videos for Kids | #aumsum
109
A2 Basic
US
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10:59
Why are planets spherical? plus 9 more videos..…
10
B2 High-Intermediate
US
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01:05
Why do we use a black umbrella in summer? | #aumsum
15
B1 Intermediate
US
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05:46
Why are Fish eating Plastic? | #aumsum
35
B1 Intermediate
US
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05:10
Science of Snowflakes | #aumsum
16
B2 High-Intermediate
US
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06:54
How do we know that our Stomach is Full? | #aumsum
65
B1 Intermediate
US
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