C1 - Air Quality (Percentage of Gases in the Atmosphere)

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The Earth is surrounded by a mixture of gases called...
atmosphere
1 of 6
78%
nitrogen
2 of 6
21%
oxygen
3 of 6
1%
argon
4 of 6
0.04%
carbon dioxide
5 of 6
1%-4%
water vapour
6 of 6

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Card 2

Front

78%

Back

nitrogen

Card 3

Front

21%

Back

Preview of the front of card 3

Card 4

Front

1%

Back

Preview of the front of card 4

Card 5

Front

0.04%

Back

Preview of the front of card 5
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