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%
73
flagSwitzerland
1%
85%
0%
12%
55
flagthe United Arab Emirates
1%
83%
6%
8%
60
flagItaly
3%
73%
2%
19%
102
flagthe Netherlands
5%
71%
1%
20%
167
flagNorway
7%
69%
2%
19%
71
flagGermany
3%
68%
2%
25%
495
flagFrance
3%
66%
3%
24%
106
flagAustria
8%
66%
2%
22%
48
flagthe United Kingdom
7%
65%
4%
22%
1134
flagPoland
7%
64%
3%
24%
33456
flagRepublic of Ireland
4%
64%
3%
27%
161
flagSweden
4%
63%
5%
26%
90
flagIndia
11%
62%
10%
14%
761
flagPakistan
6%
60%
11%
20%
118
flagthe United States
11%
56%
6%
24%
1527
flagthe Philippines
12%
54%
8%
21%
113
flagCanada
10%
53%
6%
27%
103
flagAustralia
12%
49%
5%
26%
89
flagUnknown
10%
48%
5%
35%
1590

Gender

men61%
women61%
nitrogen
8%
9%
carbon dioxide
61%
61%
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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