What is inside Swiss cheese holes?

nitrogen
carbon dioxide
water vapor
air
Carbon dioxide is produced by bacteria feeding on the lactic acid. In the Middle Ages, the holes were con­sid­ered a sign of im­per­fec­tion and cheese makers would try to avoid them.

Answers distribution

nitrogen
carbon dioxide
water vapor
air
answers
flagFinland
1%
97%
0%
1%
74
flagSwitzerland
1%
86%
0%
12%
58
flagthe United Arab Emirates
1%
82%
6%
9%
63
flagthe Netherlands
5%
73%
1%
18%
179
flagItaly
3%
73%
2%
19%
102
flagNorway
7%
69%
2%
19%
71
flagAustria
8%
69%
1%
20%
59
flagGermany
3%
68%
2%
26%
504
flagPoland
7%
64%
3%
24%
34893
flagthe United Kingdom
7%
64%
4%
22%
1159
flagFrance
3%
64%
3%
25%
108
flagRepublic of Ireland
4%
63%
4%
26%
164
flagSweden
4%
63%
5%
26%
93
flagIndia
11%
62%
10%
14%
847
flagPakistan
6%
60%
10%
20%
121
flagthe United States
11%
56%
6%
24%
1607
flagCanada
10%
54%
6%
27%
107
flagthe Philippines
12%
53%
9%
22%
116
flagUnknown
10%
48%
5%
35%
1644
flagAustralia
11%
48%
6%
27%
93

Gender

men61%
women62%
nitrogen
8%
9%
carbon dioxide
61%
62%
water vapor
3%
2%
air
26%
26%

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What is inside Swiss cheese holes?
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Author: Kasia
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